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Anonymous
x^y * x^z = x^(y+z)
Therefore
x^9 * x^8 = x^17
Wiki User
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X to the 9th power
9.999 x 108 = 999,900,000
106 x 109 = 106+9 = 1015.
It is already in scientific notation as 4.9*10^8 and it is equivalent to 490,000,000
4,730,000,000