In mathematics, index form refers to expressing a number as a base raised to a power. For example, in the expression 5^3, 5 is the base and 3 is the index or exponent. This notation indicates that 5 is multiplied by itself 3 times, resulting in the value of 125. Index form is commonly used in algebra and arithmetic to represent repeated multiplication efficiently.
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Index form in math means exponents.
For example: 2x2x2x2x2x2 will be changed to 2 to the 6th power (2 with the little 6 on the top right.)
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The correct answer is 4.5 × 102
40.000000 in standard index form is 4.0 × 101
Index form of 9765625 is 9.765625 × 106
8890 in standard index form = 8.89 × 103
250 written in index form = 2.5 × 102