Which of the following is an equivalent expression to 7(−5.3)0+4⋅9

Question

7
(
−
5.3
)
0
+
4
⋅
9
when applying the Zero Power Rule? (1 point)
Responses

75.3+4⋅9
Start Fraction 7 over 5.3 End Fraction plus 4 times 9

71+4⋅9
Start Fraction 7 over 1 End Fraction plus 4 times 9

75.30+36
Start Fraction 7 over 5.3 superscript 0 baseline End Fraction plus 36

70+4⋅9

Answer 1

The correct answer is 75.30+36. When applying the Zero Power Rule, any number raised to the power of 0 equals 1. Therefore, 7(-5.3)^0 is equal to 7(1) which is 7. So the expression simplifies to 7 + 4⋅9 = 7 + 36 = 43.