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A day full of math games & activities. Find one near you.
Express the following as cm using decimals.
(a) 2 mm
(b) 30 mm
(c) 116 mm
(d) 4 cm 2 mm
(e) 162 mm
(f) 83 mm
Solution:
We use the concepts of fractions, decimals and unit conversion to express the given numbers as cm using decimals.
As we know 10 mm is equal to 1 cm, hence, we can convert the given values as:
|
Measurements (Given) |
Measurements (in cm) |
|
2 mm |
2/10 cm = 0.2 cm |
|
30 mm |
30/10 cm = 3.0 cm |
|
116 mm |
116/10 cm = 11.6 cm |
|
4 cm 2 mm |
4 cm + 2mm = (4 + 2/10) cm = 4.2 cm |
|
162 mm |
162/10 cm = 16.2 cm |
|
83 mm |
83/10 cm = 8.3 cm |
NCERT Solutions for Class 6 Maths Chapter 8 Exercise 8.1 Question 6
Express the following as cm using decimals. (a) 2 mm (b) 30 mm (c) 116 mm (d) 4 cm 2 mm (e) 162 mm (f) 83 mm
Summary:
The values to be expressed as cm are (a) 0.2 cm (b) 3 cm (c) 11.6 cm (d) 4.2 cm (e) 16.2 cm (f) 8.3 cm
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