Second Year maths · A.15 · Integer exponents
Evaluate powers with a negative exponent in a product
Use the exponent laws first, then work out the single power.
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See worked examples
Evaluate 4³ × 4⁻¹.
Answer: 16
Evaluate 5³ × 5⁻⁴.
Answer: 1/5
Evaluate 2⁵ × 2⁻³.
Answer: 4
Tip: Use the exponent laws first, then work out the single power.
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