Question

Simplify.
Can anyone help me with question!? Thankss!
The answer is C, just dont know how they got that answer!

Answer 1

u know this property?
\[(x ^{p})^{q}= x ^{p*q}\]

Answer 2

ive seen it! what are the other properties?

Answer 3

\[(\frac{ x }{ y })^{p}=\frac{ x ^{p} }{ y ^{p} }\]

Answer 4

and \[x^{-p}=\frac{1}{x ^{p}}\]

Answer 5

okay thanks! wait so shouldnt the asnwer be d

Answer 6

nopes,it comes out to be C if u work out step by step...

Answer 7

can you work it out with me?

Answer 8

yes....u start i will follow....

Answer 9

ok so i multipled 4 * -3/2 and got -6 and i multiplied 2 * -3/2 and got -3

Answer 10

no,no....(-3/2) is in the power,that is its the exponent,and u multiply it with exponent only,not the number
tell me 4 is 2 raised to what?

Answer 11

-3? im so confused..

Answer 12

can i write 4 as
\[4=2^{2}\]

Answer 13

yes

Answer 14

how will i write 9?

Answer 15

3^2

Answer 16

very good,now we have exponents as 2,right.....now we can multiply by -3/2 to get
\[(2^2)^{-\frac{ 3 }{ 2 }}=2^{2*-\frac{ 3 }{ 2 }}=2^{-3}\]=1/8
got this? can u do it for 9?

Answer 17

1/27?

Answer 18

yes u are correct :)

Answer 19

so which option do u see 8 and 27
?

Answer 20

c thanks!