Question

I m new.plz help me in this assignment. and i always solved sum question ​

Answer 1

Step-by-step explanation:

a) 5^m÷5^-3=5^5

only power

M-(-3)=5

m+3=5.

m=5-3=2

b)6/7^-5×6/7^-11=6/7^8m

Only power

-5+(-11)=8m

-5-11=8m

-16=8m

m=-16/8=-2