yx8=64
y=8 so the answer is 8
1, 4, 16, and 64 is a pattern. It multiplies by 4 each time. The next number would be 256.
64. as you can see the last number always multiplies by 2.
64, 640, 6400, 64000, 640000, 6400000, 64000000, 640000000, 6400000000 and 64000000000 are ten multiples (not multiplies!).
2x32
84
3 x 64 = 192
you find out by farting on your self or cat
8
The square roots of any positive number are the positive and negative number which can be multiplied together to make that number. In this instance, sqrt(64) = ±8.
89
16. The way you do it is multiplying the number by its self. If it was four cubed you would do 4x4x4 or 64
64 kilometers..pretty self explanitory