rubyhassan rubyhassan

10-10-2018
Mathematics

contestada

What is the value of the expression 7^−3

A. 1/343
B.−21
C.343
D.1/343

Respuesta :

Аноним Аноним

10-10-2018

Answer: A. [tex]\frac{1}{343}[/tex]

Step-by-step explanation:

First, apply exponent rule.

[tex]=\frac{1}{7^3}[/tex]

[tex]7^3=7*7*7=343[/tex]

[tex]=\frac{1}{343}[/tex]

Hope this helps!

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