zeros in the product

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Newaye is making a salt solution. The instructions ask for 0.07 kilograms of salt to be added to every liter of water. How much salt should he use if he wants to make a solution with 0.5 liter of water?

• 0.35 kilogram

• 0.035 kilogram

• 0.305 kilogram

• 3.5 kilograms

Al buys raw peanuts for $0.40 for a pound. He roasts them and sells them in 0.2-pound bags. How much does a bag of peanuts cost Al?

• $8.00

• $0.80

• $0.08

• $0.008

Multi-Step

Al finds a new supplier. He can buy raw peanuts for $0.30 for a pound. If he sells the peanuts in 0.2-pound bags for $2.50 a bag, how much profit is made on each bag?

• $2.44

• $2.04

• $1.90

• $0.60

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In a science experiment, Tania uses 0.8 ounce of water to create a reaction. She wants the next reaction to be 0.1 times the size of the previous reaction. How much water should she use?

• 0.08 ounce

• 0.9 ounce

• 0.8 ounce

• 0.09 ounce

Find the product.

$0.04 × 0.5

(a)  

Find the product.

$0.80 × 0.2

(a)  

Find the product.

0.08 × 0.8

(a)  

Find the product.

0.02×0.3

(a)  

Find the product.

0.1 x 0.7

(a)  

Find the product.

$0.60 x 0.5

(a)