Question

Choose the correct simplification of the expression (7ab^3)^2.
49ab^6
49a^2b^5
49a^2b^6
14a^2b^6

Answer 1

guesses?

Answer 2

49a^2b^6

Answer 3

is the right answer,

Answer 4

no guesses this time lol
@seiga can u explain ?

Answer 5

its not a guess,.its the answer.

Answer 6

f you have something raised to a power you mutliply the exponents. If it doesn't have an exponent than you can place an understood 1 as the exponent.
(7^1*2)(a^1*2)(b^3*2)
or (7^2) (a^2) (b^6)
simplify 49a^2b^6 or the third one.
Hope I helped :)

Answer 7

if*

Answer 8

thanks ! and sorry i normally have a guess on what the answer is. satellite asked if i had one.