Question

Simplify and answer in scientific notation.

a) (-3)^2.(-3)^4

b) 5^7/ 5^2

c)(2^4) ^-2

Answer 1

when multiplied, Add the exponent
when diving, subtract the exponent
when raising with an exponent, multiply the exponents

Answer 2

Hi!!
is it like this?? :

a) (-3)^6=729

b) 5^(7-2) 5^5

c) 2^-8

Answer 3

yup

Answer 4

Thank you!!! <3

Answer 5

no problem :)