Another way to write (3x1000)+(3x10)+(3x1/100)+(3x1/1000 )

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

Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000