Question

What is the value of the expression?



A.
5−20

B.
5−12

C.
54

D.
5-4

Answer 1

http://static.k12.com/bank_packages/files/media/mathml_5f0679eb1602b74387b792b06cf18ff3b2ca758e_1.gif

Answer 2

@AriPotta

Answer 3

so the choices are
a. 5^-20
b. 5^-12
c. 5^4
d. 5^-4

right?

Answer 4

yes

Answer 5

ok so on the numerator, we have 5^-6 times 5^2. so when exponents are being multiplied, we actually add them. so what can the numerator be simplified to?

Answer 6

b

Answer 7

its B

Answer 8

@AriPotta

Answer 9

so its B @AriPotta

Answer 10

@brucebaner I did not get the B option when I worked this.

Answer 11

so which one is it

Answer 12

Check this and see if you agree. @brucebaner