Write each of the following in exponential form:

(i)

(ii)

Evaluate:

(i) 5^-2

(ii) (-3)^-2

(iii)

(iv)

Express each of the following as a rational number in the form:

(i) 6^-1

(ii) (-7)^-1

(iii)

(iv)

(v)

Simplify:

(i)

(ii)

(iii)

(iv)

(v)

Express each of the following rational numbers with a negative exponent:

(i)

(ii) 3⁵

(iii)

(iv)

(v)

Express each of the following rational numbers with a positive exponent:

(i)

(ii)

(iii)

(iv)

(v)

Simplify:

(i)

(ii)

(iii)

(iv)

(v)

By what number should 5^-1 be multiplied so that the product may be equal to (-7)^-1 ?

By what number should be multiplied so that the product may be equal to ?

By what number should (-15)^-1 be divided so that the quotient may be equal to (-5)^-1 ?

By what number should be multiplied so that the product may be?

Find x, if

(i)

(ii)

(iii)

(iv)

(v)

(vi)

If x=, find the value of x^-2.

If x = , find the value of x^-1.

Find the value of x for which.