Math, asked by karma1356, 1 month ago

The radius of the earth is approximately 6390km. Express this radius in standard form.

Answers

Answered by Anonymous

Answer:

Given: 6390 km

In scientific notation: 6.390 × 10^3 km

Explanation:

Here, 6390 km has 4 significant figures in ordinary notation, so in scientific notation 4 significant figures must be present. Powers of 10 are not counted.

Hope this helps.

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