Express 6 ' 10” in SI units. Options: A . &nbsp 2.06 m B . &nbsp 2.07 m C . &nbsp 2.09 m D . &nbsp 2.08 m

Answer: Option D : D 1 Feet = 12 inches ∴ 6 ' 10 ” = (12 × 6) + 10 = 82 inches 1 inch = 2.54 cm ∴ 82 inches = (82 × 2.54) cm (centi = 10 − 2 ) = 208.28 cm = 208.28 × 10 − 2 m = 2.0828 m ∴ 6 ' 10 ” = 2.08 m

Express 6' 10” in SI units.

Discussion Forum : Mole Concept

Question -

Express 6^' 10” in SI units.

Options:

A . 2.06 m

B . 2.07 m

C . 2.09 m

D . 2.08 m

Answer: Option D
:
D

1 Feet = 12 inches
$∴$ 6^' 10^” = (12 $\times$ 6) + 10 = 82 inches
1 inch = 2.54 cm
$∴$ 82 inches = (82 $\times$ 2.54) cm
(centi = $10^{- 2}$ ) = 208.28 cm = 208.28 $\times$ $10^{- 2}$ m
= 2.0828 m

$∴$ 6^' 10^” = 2.08 m

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