Question

(ar^b)^4 = 16r^20 where a and b are positive integers
work out a and b

Answer 1

Answer:

(ar^b)^4=81r^24

(arb)4 = 81r24

a4r4b = 81r24

a4 = 81

a = 4√81

a = 3

r4b = r24

4b = 24

b = 6

refer to this same question, hope this helps

Answer 2

Answer:

idk how to you need to teach am I right .