Write the contrapositive of the conditional statement. If it is January, then there are 31 days this month. a) It is January this month, if and only if, there are 31 days this month.
b) If there are not 31 days this month, then it is not January.
c) If it is not January, then there are not 31 days this month.
d) If there are 31 days this month, then it is January.

the correct option is b

step-by-step explanation:

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.