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Which expression is equivalent to 4^-5 • 3^-5 ?

Sagot :

The expression equivalent to 4^-5 • 3^-5  is 12^-5

What are equivalent expressions?

Equivalent expressions are simply known as expressions with the same solution but different arrangement.

Given the index expressions;

4^-5 • 3^-5

Using the exponent rule, the two values are have different bases but the same exponent and thus, we multiply the bases and leave the exponents the same way.

This can be written as;

4(3) ^ -5

expand the bracket

12^-5

Thus, the expression equivalent to 4^-5 • 3^-5  is 12^-5

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