Write -5.6 x 10^-3 in standard form?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

How many 3/8s are in 6 plz someone tell me now

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?