Question

Sage measured her rectangular house as 15.24 m long and 9.1 m wide. Using her calculator, she multiplied the length by the width to determine that the area is 138.684 m2. What should she do next to express this value in proper significant digits?

Answer 1

The next step for Sage to express the value she multiplied in proper significant digits is to round up the area to the correct number of significant figures.

What is significant figures?

Significant figures are digits that is meaningful with respect to the precision of a measurement.

In other words a digit that is nonzero, followed by a nonzero digit, or (for trailing zeroes) justified by the precision of the derivation or measurement.

According to this question, Sage measured her rectangular house as 15.24 m long and 9.1 m wide. Using her calculator, she multiplied the length by the width to determine that the area is 138.684 m².

• Decimal notation: 138.684
• No. of significant figures: 6
• No. of decimals: 3
• Scientific notation: 1.38684 × 10²

Learn more about significant figures at: brainly.com/question/29153641

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