• # question_answer 10) (a) The length of Ramesh's notebook is 9 cm 5 mm. What will be its length in cm? (b) The length of a young gram plant is 65 mm. Express its length in cm.

(a) Given, length of Ramesh's note book$\Rightarrow$ We know that, $1g=\frac{1}{1000}kg$ $\therefore$Length of Ramesh's notebook $456g=456\times \frac{1}{1000}kg=\frac{456}{1000}kg=0.456kg$ $=2kg+9\times \frac{1}{1000}kg$ $\left[ \because 1g=\frac{1}{1000}kg \right]$ (b) Given, length of young gram plant $=2kg+\frac{9}{1000}kg=2kg+0.009kg$ We know that, $=(2+0.009)kg=2.009kg$ $1\therefore 1$Length of young gram plant $\frac{1}{100}$ $\frac{1}{100}$

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