Sophia was counting the number of crystals in 5kg of sugar. Can you help her to find the number of crystals in 5kg without actual counting, if 12kg of sugar contains $24 \times 10^{2}$ crystals?

2 x 10⁴

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1 x 10⁵

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2.4 x 10⁶

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24 x 10²

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Solution

The correct option is B
1 x 10⁵

Let the number of crystals be y.

12 y = 5 x 24 x 10 $^{2}$

$y = 10^{3}$ crystals

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Suppose 2 kg of sugar contains $9 \times 10^{6}$ crystals. How many sugar crystals are there in 5 kg of sugar?

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Sophia was counting the number of crystals in 5kg of sugar. Can you help her to find the number of crystals in 5kg without actual counting, if 12kg of sugar contains 24×102 crystals?

The correct option is B 1 x 105 Let the number of crystals be y. 12 y = 5 x 24 x 102 y=103 crystals

Sophia was counting the number of crystals in 5kg of sugar. Can you help her to find the number of crystals in 5kg without actual counting, if 12kg of sugar contains $24 \times 10^{2}$ crystals?

The correct option is B
1 x 10⁵

Let the number of crystals be y.

12 y = 5 x 24 x 10 $^{2}$

$y = 10^{3}$ crystals