Question

Express as meters using decimals.
15 cm
6 cm
2 m 45 cm
9 m 7 cm
419 cm

Answer 1

(a)∵ 1 cm = $\frac{1}{100}$ m
∴ 15 cm = $\frac{1}{100}$x 15 = 0.15 m

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(b) ∵1 cm = $\frac{1}{100}$ m
∴ 6 cm = $\frac{1}{100}$ x 6 = 0.06 m

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(c) ∵ 1 cm = $\frac{1}{100}$ m
∴ 2 m 45 cm = 2 + $\frac{1}{100}$ x 45 = 2.45 m

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(d) ∵ 1 cm = $\frac{1}{100}$ m
∴ 9 m 7 cm = 9 + $\frac{1}{100}$ x 7 = 9.07 m

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(e) ∵ 1 cm = $\frac{1}{100}$ m
∴ 419 cm = $\frac{1}{100}$ x 419 = $\frac{419}{100}$ = 4.19 m