6less than or equal to 3x less than 12

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

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.