Question

please answer it fast. fifth and sixth ques tion explain it along with steps

Answer 1

any number power zero is always 1.
if the power is negative then to make it positive take the number to the denomination if it is in numerator. here u hv 2 power -4
So it will b 1/2 power 4 .
in the last term both numerator and denomination has negative power, to make it positive take the numerator to denominator and denominatir to numerator.This are the main points.