Question

Multiply (2.0 ⋅ 10^−4) ⋅ (3.1 ⋅ 10^−20). Express the answer in scientific notation.

6.2 ⋅ 10^−80
6.2 ⋅ 10^−24
6.2 ⋅ 10^24
6.2 ⋅ 10^80

Answer 1

@nermaljean99

Answer 2

@mathmale

Answer 3

Okay have you read your book any? (I don't mean that in a sarcastic way, I just can't give you the answer because that can get me in trouble)

Answer 4

HI!!

Answer 5

first do \[2.0\times 3.1\]

Answer 6

that is the number out front

Answer 7

then do \[10^{-4}\times 10^{-20}\] by adding the exponents \[20^{-4+(-20)}\]

Answer 8

que

Answer 9

me no understand