Simplify
`x xx x xx x xx x xx x^-5`

Write the following in the exponential form: (i) a xx a xx a xx …12 times (ii) 5 xx x xx x xx x xx y xx y

x^3 xx x^2 xx x^10

Evaluate and express in exponential form x xx x xx x xx x xxaxxaxxbxxbxxb

Write the following expressioons in the exponential forms. (I) 2xx5xx7xx x xxx xx x xxy xxy 3xx3xx3xx11 xxx xxx xx x xx x xx x xx y xx y (III) 2xx3xx5xx x xxyxx x xxy xx x xx y xx y

Write the following in exponential form (i) x xx x xx x xx13 xx

-6x3 xx 5x^2

What will be the HCF of (2 xx 3 xx 7 xx 9),(2 xx3 xx 9 xx 11 ) and (2 x 3 x 4 x 5) ?

Verify the property x xx(y xx z) = (x xx y) xx z of rational numbers by using x=0, y=(1)/(2) .