Physics, asked by ammandon75, 5 hours ago

A hectare is a hundred ares, and an are is a hundred square meters. How many hectares are there in a square kilometer?

Answers

Answered by chubeyanshira

Scientific notation: It represents a number as the product of a number greater than 1 and less than 10 (called the mantissa) and a power (or exponent) of 10.

number = mantissa - exponent

Significant figures: The number of significant figures is equal to the number of reliably known digits.

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