x=0.522 is the answer
x times :10^-2=5.22 times 10^{-3}\
simplify 10^-3: 5.22/1000= x times 10^-2 = 5.22/1000
simplify 10^-2 1/100 = x 1/100=5.22/1000
Multiply both sides by 100 100x 1/100 = 5.22x100/1000
simplify 0.522 sorry I took so long I did the best i could to explain it
Hope this helps!