Question

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Tính nhẩm

a) 4,08 x 10 = ...........

0,102 x 10 = ..........

b) 23,013 x 100 = ........

8,515 x 100 =..........

c) 7,318 x 1000 = .........

4,57 x 1000 = ...........

Answer 1

40,8 

1020

2301,3

51500

7318

4570

Answer 2

a)40,8
1020
b)2301,3
851,5
c)7318
4570

Answer 3

a. 4,08 . 10 = 40,8

102 . 10 = 1020

b. 23,013 . 100 = 2301,3

8,515 . 100 = 851,5

c. 7,318 . 1000 = 7318

4,57 . 1000 = 4570

Answer 4

a) 4,08 x 10 = ...40,8........

0,102 x 10 = ......1020....

b) 23,013 x 100 = ......2301,3..

8,515 x 100 =......51,500....

c) 7,318 x 1000 = ....7,318.....

4,57 x 1000 = .....45,70......

Answer 5

a) 4,08 x 10 = 40,8

0,102 x 10 = 1020

b) 23,013 x 100 = 2301,3

8,515 x 100 = 851,5

c) 7,318 x 1000 = 73818

4,57 x 1000 = 4570

Answer 6

a) 4,08 x 10 = ....40,8.......

0,102 x 10 = ....1020......

b) 23,013 x 100 = ..2301,3......

8,515 x 100 =....851,5......

c) 7,318 x 1000 = ...7318......

4,57 x 1000 = ....4570.......

Answer 7

a) 4,08 x 10 = ....40,8.......

0,102 x 10 = ....1020......

b) 23,013 x 100 = ..2301,3......

8,515 x 100 =....851,5......

c) 7,318 x 1000 = ...7318......

4,57 x 1000 = ....4570......

Answer 8

a) = 40,8

    = 1,02

b) = 2301,3

    = 851,5 

c) = 7318

    = 4570

Answer 9

a: \(4.08\cdot10=40.8\)

\(0.102\cdot10=1.02\)

b: \(23.013\cdot100=2301.3\)

\(8.515\cdot100=851.5\)

c: \(7.318\cdot1000=7318\)

\(4.57\cdot1000=4570\)

Answer 10

40,8 1020 2301,3 7318 4570