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CanadaON
Grade 9

3.10 Negative exponents

Interactive practice questions

Write $\frac{a^{-n}}{b^{-m}}$anbm without negative exponents.

Easy
< 1min

Find the value of $n$n such that $\frac{1}{25}=5^n$125=5n.

Easy
< 1min

Find the value of $n$n such that $\frac{1}{8}=2^n$18=2n.

Easy
< 1min

Evaluate $4\times3^{-2}+8^0$4×32+80 without the use of a calculator.

Medium
1min
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Outcomes

9.B2.2

Analyse, through the use of patterning, the relationships between the exponents of powers and the operations with powers, and use these relationships to simplify numeric and algebraic expressions.

9.C1.4

Simplify algebraic expressions by applying properties of operations of numbers, using various representations and tools, in different contexts.

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