Indices

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Stage 1 - Stage 3

Evaluate $5^{-3}$5−3 .

Easy

Less than a minute

Evaluate $8^0\div4^{-3}$80÷4−3 without the use of a calculator.

Evaluate $5\times4^{-2}+9^0$5×4−2+90 without the use of a calculator.

Evaluate $3^{-4}+3^{-1}$3−4+3−1 by using index laws, giving your answer as a simplified fraction.

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