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OpenStudy (angelina__nievse):
Check my work will medal What is equivalent to r^m divided r^n I choose r^m - n What is equivalent to 7^3 . 7^-5 I choose 1/7^2
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OpenStudy (welshfella):
first one is correct r^(m-n) (put the exponent in parentheses to avoid ambiguity) second one is also correct 7^-2 or 1 / 7^2
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