Analyze Nick's solution. Is he correct? If not, what was his mistake?
Yes, Nick is correct.
O No, the power multiplied to 8.64 should have an
exponent of 0.
No, he needed to subtract the coefficients.
X No, he needed to add the exponents.

Can you simplify 4/7? 24 points will be awarded!

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.