8th Grade Math Flashcards: Estimate With Powers Of 10

Study Estimate With Powers Of 10 in 8th Grade Math with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What does a positive exponent mean in a×10na\times10^n when n>0n>0?

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ANSWER

A large number; the decimal moves right nn places. Positive powers of 10 multiply by 10 repeatedly, making larger values.

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8th Grade Math: Expressions and Equations

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What this deck covers

This deck focuses on Estimate With Powers Of 10, giving you a quick way to review the definitions, rules, and examples that matter most for 8th Grade Math.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 24Practice questions for this set
The average distance from Earth to the Moon is about 4×1054\times 10^5 km, and the average distance from Earth to the Sun is about 1.5×1081.5\times 10^8 km. About how many times farther is the Sun than the Moon?
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