Question

Round to three significant figures.
79777.12

Answer 1

count from the right, you'll have to use scientific notation

Answer 2

sorry count from the left lol not the right

Answer 3

oh okay

Answer 4

aren't all of these numbers significant though?

Answer 5

yeah, but it's asking you to express it with only 3

Answer 6

Okay, so it would be 7.98*10^4

Answer 7

yep

Answer 8

Okay, what about 0.000045479? I thought it would be 4.55 but I don't know what amount I should put for 10^? for the problem.

Answer 9

yep, you would use a negative sign on it \(10^{-5}\)

Answer 10

ah, thank you!

Answer 11

np!