What is the expanded form of 8,609? A 8,000+600+ 90
8,000+60+9
8,000 +900+ 6
8,000+600 +9

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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.