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QuestionMathematics

Huw is trying to write 7^−2 as a fraction in its simplest form without indices.
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Answer

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Step 1:
: Recall the negative exponent rule.

Using this rule, we can rewrite $$7^{-2}$$ as a fraction.

Step 2:
: Apply the negative exponent rule.

7^{-2} = \frac{1}{7^2}

Step 3:
: Simplify the fraction.

7^2 = 49$$, so $$\frac{1}{7^2} = \frac{1}{49}$$.

Final Answer

7^{- 2} = \frac{1}{49}