Answer:
Below in bold.
Step-by-step explanation:
Use order of operations: the exponents are calculated first, then multiplication, then addition.
a. 1^2+2^3+3^4
= 1 + 8 + 81
= 90.
b. 4^2 * 2^4
= 16 * 16
= 256.
Answer:
21
Step-by-step explanation:
3:8
8x7 = 56
3x7 = 21
Answer: yes
Step-by-step explanation:
Lol
Answer:
B.(-3,0)
Step-by-step explanation:
i just finished the test
Answer:
-24
Step-by-step explanation:
First, use the equation find the value of x. Then, substitutes the value of x into 9x+12.