Use the properties of exponents to solve for each variable.
4^8•4^2=4a
(2^4)^5=2^b
5^6/5^2=5^c
a=
b=
c=

Step-by-step explanation:

1) 4^10 = 4^a

a = 10

2) 2^20 = 2^b

b = 20

3)5^4 = 5^c

c = 4

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)