Answer:
74
Step-by-step explanation:
you first simplify 2/1 and then 78- (2*2)
A rectangle has 4 sides
each side is a right angle
a right angle by definition is 90 degrees

False
Hello from MrBillDoesMath!
Answer:
1/243
Discussion:
3^(-3) * 3^(-2) => as a^m * a^n = a^(m+n), the exponents add
= 3^ (-3 -2)
= 3^ (-5) =
= 1/ 3^5 => as 3^5 = 243
= 1/243
which is approximately .0041
Thank you,
MrB
Answer:
A
Step-by-step explanation:
The easiest way to simplify the expression below is using a property: if we take random non-0 number to the 0 power, we finally get 1, so 