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MIDDLE SCHOOL

Mathematics (Grade 8)

Expressions & Equations

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Expressions & Equations: Expression with Powers

Subtracting in Scientific Notation (Different Power)

Description

Subtracting in Scientific Notation (Different Power)

Introduction

Scientific notation helps us write very large or very small numbers in a shorter form. Sometimes, when working with scientific notation, you need to subtract numbers that have different powe...

Transcript

Sarah enters a math challenge and faces a puzzle: subtract 6.6 x 10-3 from 3.5 x 10-2. Let’s see how she solves it.

She quickly realizes she can’t subtract them directly because the powers of ten are different.

To subtract these values, she decides to make the powers of ten the same.

Sarah chooses the lar...