Question

Which is equivalent to this equation

Answer 1

The correct option is (b).

Explanation:

We need to find the value of the given expression i.e.

3⁷ × 3⁻⁴

We know that, one of the property of exponent is:

`x^(-a)=(1)/(a)`

So,

`3^7* 3^(-4)=3^7* (1)/(3^4)\\\\=3^3\\\\=27`

Hence, the correct option is (b).