What is 512 in exponential form?
a) 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
b) 3^8
c) 8^3
d) 8 × 8 × 8

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables the sales tax on furniture is 6.25%