Which conversion is correct?Select one:a.72.4 mm = 7.24 cmb.86 m = 86 000 cmc.59 m = 590 cmd.55 m = 0.55 cm
Question
Which conversion is correct?
Select one:
- a.
72.4 mm = 7.24 cm - b.
86 m = 86 000 cm - c.
59 m = 590 cm - d.
55 m = 0.55 cm
Solution
The correct conversion is b. 86 m = 86 000 cm.
Here's why:
a. 72.4 mm = 7.24 cm is incorrect because 1 cm = 10 mm, so 72.4 mm = 7.24 cm.
b. 86 m = 86 000 cm is correct because 1 m = 100 cm, so 86 m = 86,000 cm.
c. 59 m = 590 cm is incorrect because 1 m = 100 cm, so 59 m = 5,900 cm.
d. 55 m = 0.55 cm is incorrect because 1 m = 100 cm, so 55 m = 5,500 cm.
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