The powers kept by the states are called reserved powers.

True
False

Powers kept by the states are known as "reserved powers." There's no way the states could ever get any of their power back from the Federal Government. "Police power" refers to a broad set of powers that states have. The police power lets states pass any laws regarding their citizens.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

d.

the northwest territory became the most densely populated area in the u.s.