3 years ago

What is the quotient?7-4ーks130-5○ 75〇fl517 777-7C园燜

1 answer:

8 0

$Use\ \dfrac{a^n}{a^m}=a^{n-m}\\\\\dfrac{7^{-4}}{7^{-9}}=7^{-4-(-9)}=7^{-4+9}=7^5$

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