Archive for the ‘Decimals’ Category

How Gamers Gamed the Hedge Funds: Middle School Math
January 28, 2022
22 Amazing Numbers for 2022 … Answers Q 11 – 16
January 6, 2022
I Can’t Sleep: Caffeine Math Part 3 USA UNITS
November 13, 2021I Can’t Sleep Math: Caffeine Maths METRIC HERE.
Sensitivity to caffeine varies for individuals, but in healthy adults the half life for caffeine is approx 6hrs meaning your body eliminates half the caffeine you have drunk in 6 hrs. Ref: Caffeine Pharmacology
Caffeine interferes with sleep. One study found that consuming caffeine 6 hours before bedtime reduced total sleep time by 1 hour.
Caffeine content sources Caffeine Content Data Base
Street art by JEKS, South Carolina
The Half life equation is an exponential function.
The Mayo Clinic advises up to 400mg Caffeine a day for adults, which would be;
10 black teas
7 instant coffees
4 cappuccinos
2 dark roast brewed
less than one cup of Black Insomnia Coffee.
Approx half this amount of caffeine for 14 yos.

Halloween Math: IT Chapter 2 vs Kill Bill Vol 2 in Fake Blood
October 15, 2021Halloween Blood can be found @ Party City
Stage blood @ Stage Makeup
Movie Blood @ Thomasfx
*Note: These were the fake blood volumes quoted 12 years ago when I was first researching fake blood data. I have noticed the numbers on various chat platforms have inflated the volumes in the last 12 years.
*Note: Rounding off the initial volume eg. 0.06 pint (0.028L) then up-scaling that volume to 36,000 pints (17,000L) introduces a significant error in the final calculations.

Car Crash Maths: Saved by a millisecond
August 22, 2021*In 1970 the Victorian Government made the wearing of seat belts compulsory.
*The first government in the west to do so.
*Within 14 months the other Australian states followed.
*The road toll in Australia dropped:
1969 3,382 road deaths per year
1988 2,887 deaths
2018 1,135 deaths
Mathspig lived on a country police station before seat belts became compulsory and a number of kids she went to school with died in car accidents.
Three factors have reduced the road toll in Australia:
1. Wearing seat belts
2. Stopping drink driving
3. Introducing Airbags (from 1980s)
Our eyes can easily detect the blink (above) set a 300ms.
Ditto, the light flash (below), which is set to flash at 200 ms but it will drive you CRAZY if you look at it for too long.
The fabulous video (below) will show you the amazing details of the ms timing that saves lives in a car crash. You will see real car crash tests. And the frightening results too.
It was made by an engineer who worked for GMH or Holden as we call it in Australia.

20 Gobsmacklingly AMAZING numbers … Revisited
May 25, 2021… these nos. are amaaaazing but no one could find the answers in the earlier post.
………………………………………………………..
Click on the POP-UP answers under each question.
1. How many bristles in a toothbrush?
2. What % of Oxygen in the atmosphere comes from forests?
3. How loud was the loudest recorded human scream?
4. How many apples could kill an average-sized adult?
5. How many countries in Africa?
6. What happens when you Google this number, 241543903?
7. How many vertebrae in a giraffe’s neck?
8. What is the highest recorded wind speed?
9. What is the world record high-jump height for a guinea pig?
10. How many times does England fit into Australia?
11. How much did the most expensive dessert ever cost?
14. How many burgers does McDonalds sell a second worldwide?
16. How many times was the most frequently married person in the world, married?
17. Why is Zero Zero Zero like 123?
18. What is the world record for the greatest number of snorts in 10 seconds?
19. How long would it take to grow your hair to your feet?
20. What number causes the greatest loss of money in the world?
LINKS:
1. How many bristles in a toothbrush? HERE
2. What % of Oxygen in the atmosphere comes from forests? HERE
3. 3. How loud was the loudest recorded human scream? GOOGLE IT!
4. How many apples could kill an average-sized adult? HERE
5. 5. How many countries in Africa? GOOGLE IT!
6. What happens when you Google this number: 241543903? HERE
7. How many vertebrae in a giraffe’s neck? HERE
8. What is the highest recorded wind speed? HERE and HERE
9. What is the world record high-jump height for a guinea pig? GOOGLE IT!
10. How many times does England fit into Australia? GOOGLE IT!
11. How much did the most expensive dessert ever cost? GOOGLE AGAIN.
12. Why is 70 a weird number? HERE
13. Why Google Googol? HERE
14. How many burgers does McDonalds sell a second worldwide? HERE
15. If the population of the world spread across the USA , what area would we get each?
GOOGLE THE NUMBERS!
16. How many times was the most frequently married person in the world, married?
GOOGLE HIM.
17. Why is Zero Zero Zero like 123? HERE
18. What is the world record for the greatest number of snorts in 10 seconds? HERE
19. How long would it take to grow your hair to your feet? HERE
20. 20. What number causes the greatest loss of money in the world? HERE

20 AMAZING numbers
April 26, 2021… so amaaaazing you’ll have to check them for yourself!
POP UP ANSWERS … click on Q.
1. How many bristles in a toothbrush?
2. What % of Oxygen in the atmosphere comes from forests?
3. How loud was the loudest recorded human scream?
4. How many apples could kill an average-sized adult?
5. How many countries in Africa?
6. What happens when you Google this number, 241543903?
7. How many vertebrae in a giraffe’s neck
8. What is the highest recorded wind speed?
9. What is the world record high-jump height for a guinea pig?
10. How many times does England fit into Australia?
11. How much did the most expensive dessert ever cost?
14. How many burgers does McDonalds sell a second worldwide?
16. How many times was the most frequently married person in the world, married?
17. Why is Zero Zero Zero like 123?
18. What is the world record for the greatest number of snorts in 10 seconds?
19. How long would it take to grow your hair to your feet?
20. What number causes the greatest loss of money in the world?
LINKS:
1. How many bristles in a toothbrush? HERE
2. What % of Oxygen in the atmosphere comes from forests? HERE
3. 3. How loud was the loudest recorded human scream? GOOGLE IT!
4. How many apples could kill an average-sized adult? HERE
5. 5. How many countries in Africa? GOOGLE IT!
6. What happens when you Google this number: 241543903? HERE
7. How many vertebrae in a giraffe’s neck? HERE
8. What is the highest recorded wind speed? HERE and HERE
9. What is the world record high-jump height for a guinea pig? GOOGLE IT!
10. How many times does England fit into Australia? GOOGLE IT!
11. How much did the most expensive dessert ever cost? GOOGLE AGAIN.
12. Why is 70 a weird number? HERE
13. Why Google Googol? HERE
14. How many burgers does McDonalds sell a second worldwide? HERE
15. If the population of the world spread across the USA , what area would we get each?
GOOGLE THE NUMBERS!
16. How many times was the most frequently married person in the world, married?
GOOGLE HIM.
17. Why is Zero Zero Zero like 123? HERE
18. What is the world record for the greatest number of snorts in 10 seconds? HERE
19. How long would it take to grow your hair to your feet? HERE
20. 20. What number causes the greatest loss of money in the world? HERE

Ohtani vs The World ………………………. Some amazing fastball facts.
April 12, 2021More Info: New York Times, 5 April 2021
Also: Which sport is more DANGEROUS to play? Cricket or baseball?
