Which expressions are equivalent to 4^-2 * 7^-2
a: (4 * 7)^-4
b: 1/28^2
c: 7^-2 / 4^2
d: (4 * 7)^4

B.

C.

Step-by-step explanation:

The given expression is

We can rewrite in various forms using the rules: and

For instance

...Option B

OR

....Option C

Therefore options B and C are correct

probably .5

i can on others if necessary.