0.329, 127.5, and -89 is rational. Square root of 101 is irrational.
A)4*16
because 4*3•4*4•4*9
you have to add the exponents
3+4+9=16
keep the number
so 4*16 is the answer
Mean = (19 +27 +25+21+44+22+45+34)/8 = 29.625≈30 years
Answer is 30.

Infinite solutions. This equality is true for any value of n.
a.