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Earn +20 ptsQ: When 9x-13 equals -31 what is the value of x-8?
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What is the answer of 8 to the power of x equals 256 and how do you get that answer no eighth power makes 256?
Do you mean: x8 = 256 If so: x = 2 because 28 = 256
Factor completely x8-87 plus 166?
Assume that the expression is x8 - 87 + 166 or x8 + 79. The expression is not factorizable since 79 is not the perfect 8th number!
Given that 4 power of x equals to N express 8 power of x in terms of N.?
N = x4 x8 = x4+4 = (x4)2 = N2
What is 1.99 x8?
15.92
What is 5 x8?
40
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