1.5625 * 12 = 18.75
15,625 multiplied by 1/5 is 3,125.
15625 x 64 = 1000000
I used a calculator and just guessed the number (using exponential math estimation) and it comes down to 125*125=15,625.
If by "cube of 15625," you mean 156253, then you would multiply 15625*15625*15625. If you have to do this by hand, then first multiply 15625*15625, and then multiply the product of that by 15625 again. Follow the multi-digit multiplication rules, look it up if you don't know them.
x^6=15625 x=(15625)^(1/6)
The sixth root of 15625, or 15625 ^ (1/6) is equal to 5.
253 = 15625
125² = 15625
1,000,000........15625...........x64=========.....1000000
1000000 = 106 = (2*5)6 = 26*56 = 64*15625
15625 5x5x5x5x5x5=15625
Yes because 125*125 = 15625