Question

8.61 × 10^–8
convert to a decimal

A.
0.000000861

B.
0.0000000861

C.
8,610,000

D.
861,000,000

Answer 1

it is A ... i think

Answer 2

@mLe

Answer 3

Close. Since the exponent is -8, you want to move the decimal point in 8.61 to the left, 8 spaces.

Answer 4

*presses face against computer screen*
ehhh not quite xD

A is 8.61 x 10^-7

Answer 5

so B then... i always confuse that...lol

Answer 6

That's right :)