Question

Estimate 2^64 without a calculator?

Answer 1

\[2^{10} \approx 10^3\]

Answer 2

billions and billions

Answer 3

2^ 64 = 2^4(2^10)^6
2^4 * (1000) ^6
2^4 * 10^18
16 * 10^18
does that work?

Answer 4

Looks good, so its 16 followed by 18 zeroes

Answer 5

your estimation is very close, see
http://www.wolframalpha.com/input/?i=2%5E+64

Answer 6

ooo coolio

Answer 7

quintillion is a big number :p

Answer 8

What if you had a question like which is larger 2^125 or 32 * 10^36

Answer 9

Indeed it takes you out of our galaxy! see this video
https://www.youtube.com/watch?v=5CKd0aPSWe8

Answer 10

ooo movies

Answer 11

use the same trick to compare

Answer 12

Notice that \(\large 2^{10} = 1024\gt 10^3\)

Answer 13

@satellite73

was that a Carl Sagan reference :)

Answer 14

this movie hurts my brain

Answer 15

:o those special effectss

Answer 16

looks like a nice read!
http://en.wikipedia.org/wiki/Billions_and_Billions:_Thoughts_on_Life_and_Death_at_the_Brink_of_the_Millennium

Answer 17

hey that video was made in 1977 so you will have to excuse the special effects lol

Answer 18

Haha it's awesome