Question

Please help me!!!! Will give medal :)

Answer 1

Evaluate 27 × a^-2 for a = 3.

A)\[\frac{ 1 }{ 3 }\]

B)\[\frac{ 1 }{ 9 }\]

C) 9

D) 3

Answer 2

This is the only question I need help with!!! Please help!!!

Answer 3

do u remember a^-1 = 1/a ???

Answer 4

Sure.... Yes....

Answer 5

so just apply same steps....

Answer 6

So 1/3 ?

Answer 7

@rishavraj

Answer 8

what 1/3

Answer 9

I think that's the answer..... Am I right?

Answer 10

no u aint...just solve it again...u will surely be able

Answer 11

Uhhh, can u explain more please :)

Answer 12

a^-1 = 1/a
likewise a^-2 = 1/a^2

Answer 13

3^2= 9.... So 1/9

Answer 14

yup..now multiply.....

Answer 15

multiply? 0.o

Answer 16

27*1/9

Answer 17

3?

Answer 18

yup...u r correct...

Answer 19

Thanks!!!!!