Mum VS Dad

Math 2

7500

4^5565665576857657676576765878657568758657687658's unit digit

6

10000

2^128's unit digit!

6

25000

9^9's unit digit!

9

100000

1000000000000000000000000000000000000

1 undecillion

500000

999999999999999999999999999^9's unit digit

9

Astronomy

7500

Sun's size

10×Jupiter's

10000

Amount of mass needed to become a star!

78jupiters

25000

What do most stars fuse?

Hydrogen

100000

How long will the sun live?

5.4 million years

500000

How big is our galaxy? (In diameter)

200,000 light years

Time

7500

How long is 1 billion nanoseconds

1 second

10000

How long is 182,400 seconds

49 hours

25000

How long is 1095 days and 8760 hours?

4 years

100000

How long is 1000 hours

About 41 days

500000

How long is 89401000000000 nanoseconds

1day and 1 second

Speed

7500

How long does it take Sound to travel 1 mile

3 seconds

10000

How many times can light travel the circumference of earth in one second

7.5 times

25000

How fast is sound? (Km/s)

0.34

100000

How fast is light (m/s)

299,792,458m/s

500000

How fast is knot 902 (mi/h)

1038mi/h

Math

7500

First 3 digits of PI

3.14

10000

First 6 digits of PI

3.14159

25000

First 9 digits of PI

3.14159265

100000

First 12 digits of PI

3.14159265358

500000

First 18 digits of PI

3.14159265358979323