573589
11.07.2019 •
Mathematics
23.70 divided by 1.8, could you some how show your work
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Ответ:
1 Shift the decimal points of both 23.7 and 1.8 to the right by 1 decimal place.
(This is needed to convert 1.8 to 18, since long division must divide by a whole number.)
2
3
7
1
8
18
237
2 Set up the long division.
18|237
3 Calculate 23 ÷ 18, which is 1 with a remainder of 5.
1
18|237
18
5
4 Bring down 7, so that 57 is large enough to be divided by 18.
1
18|237
18
57
5 Calculate 57 ÷ 18, which is 3 with a remainder of 3.
13
18|237
18
57
54
3
6 Bring down 0, so that 30 is large enough to be divided by 18.
13.
18|237.
18
57.
54.
3.0
7 Calculate 30 ÷ 18, which is 1 with a remainder of 12.
13.1
18|237.
18
57.
54.
3.0
1.8
1.2
8 Bring down 0, so that 120 is large enough to be divided by 18.
13.1
18|237.
18
57.
54.
3.0
1.8
1.20
9 Calculate 120 ÷ 18, which is 6 with a remainder of 12.
13.16
18|237.
18
57.
54.
3.0
1.8
1.20
1.08
12
10 Bring down 0, so that 120 is large enough to be divided by 18.
13.16
18|237.
18
57.
54.
3.0
1.8
1.20
1.08
120
11 Calculate 120 ÷ 18, which is 6 with a remainder of 12.
13.166
18|237.
18
57.
54.
3.0
1.8
1.20
1.08
120
108
12
12 Bring down 0, so that 120 is large enough to be divided by 18.
13.166
18|237.
18
57.
54.
3.0
1.8
1.20
1.08
120
108
120
13 Calculate 120 ÷ 18, which is 6 with a remainder of 12.
13.1666
18|237.
18
57.
54.
3.0
1.8
1.20
1.08
120
108
120
108
12
14 Therefore, 23.70 ÷ 1.8 ≈ 13.1666:
13.1666
Ответ:
241m/5.4km
Step-by-step explanation: