Question

4 в степини-5+x=64 ................................................

Answer 1

4  ^-5+x=64 

4 ^-5+x=4^3

-5+x=3

x=3+5

x=8

Answer 2

4 в степени -5 = 0,0009765625

х = 64 - 0,0009765625

х= 63,9990234375