Question

How will you write, 12m.3mm. in decimal form ?

Answer 1

12 m 3 mm

1 m = 1000 mm
1 mm = 1/1000 m

Then 3mm = 3/1000
                  = 0.003 m

Then 12 m 3 mm = 12 + 0.003
                            = 12.003 m

:)(: Hope this Helps :)(:

Answer 2

12 m 3 mm = 12.003 m

Given :

12 m 3 mm

To find :

Express in decimal form

Solution :

Step 1 of 2 :

Convert 3 mm into m

We know that 1 m = 1000 mm

∴ 3 mm

$\displaystyle \sf = \frac{3}{1000} \: \: m$

$\displaystyle \sf = 0.003 \: m$

Step 2 of 2 :

Express 12 m 3 mm in decimal

12 m 3 mm

= 12 m + 3 mm

= 12 m + 0.003 m

= 12.003 m

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