whats 2 to the power of x+5= 4 to the power of 8

Answer 1

x+5 = 4

x= 4-5= -1

2^4 = 2(2)(2)(2) = 16

(2^4)^8 = 16^8 = 4,294,967,296= about 4.3 billion

(2^4)^8 = 2^32 = 4,294,967,296 = about 4.3 billion

(2^a)^b = 2^ab, the exponents multiply

(c^a)^b = c^ab

use a calculator with an exponent function, or go online to desmos