Question

5^9 * 5^-9 / 5^-1 = 1/5

Answer 1

Step-by-step explanation:

$5 { {}^{} }^{9} \times 5 {}^{ - 9} \div 5 {}^{ - 1} = 1 \div 5 \\ \\ 5 {}^{9} \times 1 \div 5 {}^{9} \times 5 = 1 \div 5 \\ \\ 5 \times 5 = 1 \\ \\ 25 - 1 = 0 \\ \\ = 24$

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