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Write the expression using exponents. Enter a number in every blank. \newline13⋅13⋅7013 \cdot 13 \cdot 70\newline13−−⋅70−−13^{--}\cdot70^{--}

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Full solution

Q. Write the expression using exponents. Enter a number in every blank. \newline13⋅13⋅7013 \cdot 13 \cdot 70\newline13−−⋅70−−13^{--}\cdot70^{--}
  1. Count number occurrences: Count how many times each number appears. 1313 appears twice, and 7070 appears once. Calculation: 13⋅13=13213 \cdot 13 = 13^2, 70=70170 = 70^1
  2. Write expression using exponents: Write the expression using exponents.\newline1313 is multiplied by itself 22 times, so it's written as 13213^2.\newline7070 is not multiplied by itself but still needs an exponent, so it's written as 70170^1.

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