Question

What is the value of the expression 8^–2?

Answer 1

please note that:
\[8^{-2}=\frac{ 1 }{ 8^{2} }=...\]

Answer 2

A.
–16

B. http://static.k12.com/bank_packages/files/media/mathml_0354ca6b5967787a7763d24c8528f33c629eb88c_1.gif


C. http://static.k12.com/bank_packages/files/media/mathml_b267c00d00078531482f41218bd0660bfa8ce2b3_1.gif


D.
64

Answer 3

and \[8^{2}=64\]
so?

Answer 4

D

Answer 5

that's right!

Answer 6

sorry no, It s not D

Answer 7

oh really

Answer 8

yes! Please retry

Answer 9

B

Answer 10

yes!

Answer 11

B

Answer 12

thx

Answer 13

do you see why it's B ?