Which method can justin use to find the product of $1.39
and 100?
justin wants to buy 100 bottles of juice to sell at a school
basketball game. the juice costs $1.39 per bottle, justin
wants to multiply $1.39 by 100 to find the total cost of the
bottles of juice.
he knows that 100 is 10 to the power of 2, so he needs to
move the decimal point in 1.39 two places to the right.
he knows that 100 is 10 to the power of 2, so he needs to
move the decimal point in 1.39 two places to the left.
he knows that 100 is 10 to the power of 3, so he needs to
move the decimal point in 1.39 three places to the right.
he knows that 100 is 10 to the power of 3, so he needs to
move the decimal point in 1.39 three places to the left.