Which of the following is an equivalent expression to 7(−5.3)0+4⋅9 when applying the Zero Power Rule? (1 point)

Responses

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

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

70+4⋅9
Start Fraction 7 over 0 End Fraction plus 4 times 9

75.3+4⋅9

1 answer

The correct answer is 75.3+4⋅9. By applying the Zero Power Rule, any number to the power of 0 is equal to 1. Therefore, 7(-5.3)^0 can be simplified to 7(1) which is equal to 7. So the expression becomes 7+4⋅9 which is equivalent to 75.3+4⋅9.