Hello EarthLings, Can anyone please show me how this problem is solved?

How is this calculated 2³=64? Can anyone please show me a step-by-step solution on how it was calculated to 64? I might be missing something.

Thank you,
Ф__Ф
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Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27