4.2 to the 2nd power is equal to 17.64 while 10 to the 2nd power is equal to 100. The latter is larger.
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42 to the second power, also known as 42 squared, 422 = 42 x 42 = 1764.
42*63 = 3456
We will call the two numbers X and Y. 1) X + Y = 102 2) X - Y = 42 3) Rearrange the second equation ---> X = Y + 42 and plug into the first. 4) (Y + 42 ) + Y = 102 5) 2Y + 42 = 102 6) 2Y = 60 7) Y = 30 * 8) Plug into the second equation ---> X - 30 = 42 (so X = 42+ 30) 9) X = 72 * 10) 72 is the answer.
4-2 = 1/42 = 1/16 = 0.0625
8 divided by 2 = 4 4 to the second power (42) = 16 The square root of 16 = 4