An exponent tells how many times a factor is muliplied by itself.
And exponent of -2 represents the square root
10!
exponent
exponent
an exponent
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7.24
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An exponent.
A number with a small exponent is smaller than a number with a large exponent. If two numbers have the same exponent then compare the mantissae. The smaller mantissa represents the smaller number.
The answer could be exponential representation but, given the limited amount of information in the question, it is hard to be sure.
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