fatihah8192 fatihah8192

20-09-2018
Mathematics

contestada

A number to the 9th power divided by the same number to the 6th power equals 343. What is the number?

Respuesta :

musiclover10045 musiclover10045

20-09-2018

Let the number = X

We have X^9 / X^6 = 343

When dividing powers, subtract the powers: 9-6 = 3

So X^9 / X^6 = 343 becomes X^3 = 343

X = 343^1/3

X = 7

The number is 7.

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