Test 2. Multiplying decimals

Before proceeding to the solution of examples and problems be sure to read the theoretical part of the lesson 

Multiplying decimals

 1. Hana bought 3 tea bags. Each tea bag cost $0.54. How much money did Hana spend?

 а)  $1.66;      b)  $2.62;     

 c)  $1.62;      d)  $1.52.

 2. If a horse poster costs $3.38, how much would it cost to buy 3 horse posters?

 а)  $10.14;      b)  $10.24;     

 c)  $11.14;      d)  $10.26.

 3. A crystal vase costs $948.14. How much would it cost to buy 4 crystal vases?

 а)  $3792.46;     

 b)  $3792.52;     

 c)  $3796.56;     

 d)  $3792.56.

 4. Mark’s dog eats 4.6 kilograms of dog food each day. How much dog food will Mark’s dog eat in 7 days?

 а)  31.2 kg;      b)  32.2 kg;     

 c)  32.4 kg;      d)  33.6 kg.

 5. Martin placed 9 weights on a scale during science class. If each weight weighed 6.5 grams, what did the scale read?

 а)  58.5 g;      b)  58.8 g;     

 c)  58.3 g;      d)  57.5 g.

 6. Dana has a set of wooden boards. Each board is 0.4 meters long. If Dana lays 9 boards end-to-end, how many meters long will the line of boards be?

 а)  3,2 m;      b)  3,4 m;     

 c)  3,6 m;      d)  2,9 m.

 7. A teddy-bear maker uses 5.6 ounces of stuffing for each bear. How many ounces will he need to use for 98 bears?

 а)  546.8;      b)  548.4;     

 c)  558.2;      d)  548.8.

 8. Felix works as a janitor and earns $790.43 per week. If he works 19 weeks, how much money will he earn?

 а)  $15028.17;     

 b)  $15018.17;     

 c)  $15018.15;     

 d)  $15018.37.

 9. If a lemon costs $0.38, now much would 16 lemons cost?

 а)  $6.08;      b)  $6.12;     

 c)  $6.18;      d)  $6.8.

10. Rachel bought a package of 3 chocolate cookies. Each cookie weighed 0.1 ounces. How much did the 3 cookies weigh all together?

 а)  0.03;      b)  0.6;     

 c)  0.3;        d)  0.9.

11. Nick takes 26 boxes out of his van. The weight of each box is 32.9 kg. Work out the total weight of the 26 boxes.

 а)  845.4 kg;     

 b)  855.8 kg;     

 c)  850.4 kg;     

 d)  855.4 kg.

12. Kaleigh is mixing paint for art class. The directions call for her to mix 17.25 milliliters of blue paint and 13.45 milliliters of yellow paint to achieve the right shade of green for her assignment. How much blue paint and how much yellow paint will she need in order to mix the right amount of paint for herself and two other classmates?

About how much green paint will she be making, altogether, for the three of them?

    

 а)  51.75,  40.35,  92.8;     

 b)  51.55,  40.35,  92.1;     

 c)  51.75,  40.35,  92.1;     

 d)  51.75,  40.15,  92.1.