Which of the following is developed to result in the answer of 1?

Question

A. 13-(7.42)⁰
B. 5⁰+9⁰
C. 3(8⁰)
D. (-2.97)⁰

Answer 1

A. 13-(7.42)⁰ = 13 - 1 = 12
B. 5⁰+9⁰ = 1 + 1 = 2
C. 3(8⁰) = 3(1) = 3
D. (-2.97)⁰ = 1

Therefore, option D, (-2.97)⁰, is developed to result in the answer of 1.

Answer 2

Which of the following shows the correct process of solving -3⁰+4.5?
A. -3⁰+4.5= -1•3⁰+4.5= -1•1+4.5= -1+4.5= 3.5
B. -3⁰+4.5= -3•0+4.5=0+4.5=4.5
C. -3⁰+4.5=(-3)⁰+4.5=1+4.5=5.5
D. -3⁰+4.5=-3+4.5=1.5

Answer 3

The correct process of solving -3⁰+4.5 is shown in option C:
-3⁰+4.5=(-3)⁰+4.5=1+4.5=5.5