What should come in place of question mark (?) in the following question ?
$$(98)^{45}\times(98)^{-35}=?$$
By the rule of indices,
$$(a)^{b}\times(a)^{c}=(a)^{b+c}$$
$$(98)^{45}\times(98)^{-35}=(98)^{45-35}=(98)^{10}$$
Hence, the correct option is D.
Create a FREE account and get:
Quick, Easy and Effective Revision
By proceeding you agree to create your account
Free CAT Formulae PDF will be sent to your email address soon !!!
