Multiplicaciones con decimales

Question 1

Si 3 x 6 es 18, ¿cuánto es 0.3 x 6?

Piensa; ¿para dónde debes mover la coma y cuántos lugares?

Answer 1

1,8

Question 2

Si 4 x 36 es 144, ¿cuánto es 4 x 3.6?

Piensa: 4 x 3 = 12: 36 : 3 = 12, entonces, 4 x 36 = 12 x 12 = 144.

Answer 2

14,4

Question 3

If 74 x 162 is 11988, what is 7.4 x 16.2?

Answer 3

119.88

Question 4

If 6 x 8 is 48, what is 0.6 x 0.8?

Answer 4

0.48

Question 5

Si 16 x 40 es …, ¿cuánto es 160 x 0,4?

Piensa: 16 x 4 = 64, entonces 16 x 4 x 10 = 64 x 10 = 640

Answer 5

64

Question 6

If 59 x 19 is 1121, what is 0.59 x 19

Answer 6

11.21

Question 7

If 0.345 x 6 is 2.07, what is 0.345 x 600?

Answer 7

207

Question 8

If 19 x 246 is 4674, what is 0.19 x 24.6?

Answer 8

4.674

Question 9

If 245 x 765 is 187425, what is 2.45 x 7.65?

Answer 9

18.7425

Question 10

If 6 x 7 is 42, what is 0.6 x 7?

Answer 10

4.2

Question 11

If 5 x 3 is 15, what is 5 x 0.3?

Answer 11

1.5

Question 12

Si 9 x 14 es 126, ¿cuánto es 0.9 x 14?

Piensa: 9 x 14 = 9 x 7 x 2 = 63 x 2 = 126 (0,9 x 14 debes mover la coma

Answer 12

12.6

Question 13

If 8 x 16 is 128, what is 8 x 1.6?

Answer 13

12.8

Question 14

If 4 x 24 is 96, what is 0.4 x 24?

Answer 14

9.6

Question 15

If 12 x 34 is 408, what is 1.2 x 3.4?

Answer 15

4.08

Question 16

If 25 x 25 is 625, what is 0.25 x 0.25?

Answer 16

0.0625

Question 17

If 37 x 26 is 962, what is 3.7 x 26?

Answer 17

96.2

Question 18

If 17 x 21 is 187, what is 1.7 x 2.1?

Answer 18

1.87

Question 19

If 87 x 56 is 4872, what is 0.87 x 5.6?

Answer 19

4.872

Question 20

If 99 x 99 is 9801, what is 9.9 x 0.99?

Answer 20

9.801

Question 21

If 4 x 7 is 28, what is 0.4 x 0.7?

Answer 21

0.28

Question 22

If 56 x 34 is 1904, what is 5.6 x 34?

Answer 22

190.4

Question 23

If 12 x 89 is 1068, what is 1.2 x 8.9?

Answer 23

10.68

Question 24

If 14 x 65 is 910, what is 1.4 x 0.65?

Answer 24

0.91

Question 25

If 45 x 83 is 3735, what is 0.45 x 83?

Answer 25

37.35

Question 26

If 26 x 61 is 1586, what is 2.6 x 61?

Answer 26

158.6

Question 27

If 34 x 92 is 3128, what is 0.34 x 92?

Answer 27

31.28

Question 28

If 13 x 52 is 676, what is 1.3 x 52?

Answer 28

67.6

Question 29

If 237 x 649 is 153813, what is 2.37 x 6.49?

Answer 29

15.3813

Question 30

If 738 x 256 is 188928, what is 7.38 x 25.6?

Answer 30

188.928