Describe how to simplify the expression StartFraction 3 Superscript negative 6 Baseline Over 3 Superscript negative 4 Baseline EndFraction.

Options :

Divide the bases and then add the exponents.

Keep the base the same and then add the exponents.

Multiply the bases and then subtract the exponents.

Keep the base the same and then subtract the exponents.

Keep the base the same and then subtract the exponents.

Step-by-step explanation:

StartFraction 3 Superscript negative 6 Baseline Over 3 Superscript negative 4 Baseline EndFraction.

3^-6 ÷ 3^-4

According to the division law of indices;

x^m / x^n

Since the base are equal or the same ; x = x

The solution is expressed as :

x^(m-n)

Hence, for the scenario above :

3^-6 ÷ 3^-4

3^(6-3)

3^3

=3 * 3 * 3

= 27

Keep the base the same and then subtract the exponents.

Step-by-step explanation:

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step-by-step explanation:

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answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8