Express in standard form:Express 56 km in m. – InterviewSolution

1.

Express in standard form:Express 56 km in m.

Answer»

Given that,56 km = 56 × 1000 m (∵ 1 km = 1000 m)

= 56000 m

Standard form = 56 × 10³

= 5.6 × 10¹ × 10³

Using the law of exponent, a^m x aⁿ = a^m+n

= 5.6 × 10⁴ m

∴ The standard form is 5.6 × 10⁴ m

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