Which of the following is an equivalent expression to 7(−5.3)0+4⋅9 when applying the Zero Power Rule? (1 point)
Responses
75.3+4⋅9
Start Fraction 7 over 5.3 End Fraction plus 4 times 9
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
so a, b, c or d?
1 answer
The correct answer is 70+4⋅9. By applying the Zero Power Rule, any non-zero number raised to the power of 0 is equal to 1. Therefore, 7(-5.3)^0+4⋅9 simplifies to 7(1)+4⋅9, which is equal to 7+36, and further simplifies to 70+4⋅9.
3 answers