Question

Please check my work!

Answer 1

2 and 3 were wrong... they were

Answer 2

2. 2.089
3. 3.57

Answer 3

log8
(1 point)
log82 – log8a

log8a – log82
–a log82
2. Use the Change of Base Formula to evaluate log877. (1 point)
3.467
1.886
4.344
2.089
3. A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the loudness be reduced? Use the formula . Round to the nearest hundredth. (1 point)
3.57 decibels
1.58 decibels
2.52 decibels
1.93 decibels
4. Use a table to solve. Round to the nearest hundredth.