Answer:
531441 = 3^2*3^4*3^6
9 = 3^2
81 = 3^4
729 = 3^6
Step-by-step explanation:
11)
3x = 180
x = 60
12)
6x + 18 = 180
6x = 162
x = 27
Answer:
15ft
Step-by-step explanation:
a^2 + b^2 = c^2
12 or 9 can equal to b or a
12^2 + 9^2 = c^2
144 + 81 = c ^2
225 = c^2
Square root of 225
15 = c
Answer:
Exponents are done before addition, subtraction, multiplicaton, and division
Step-by-step explanation:
PEMDAS=
Parenthases
Exponents
Multiply
Divide
Add
Subtract