12 in to cm round to the nearest hundredth

Explain how you can use the associative property to evaluate (7x50)x4.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?