Find the product - 2-1 - 0-21 - 0-021

First we find the product of 21 × 21 × #160; 21 Now, #160; = 21 × 21 = 441 ∴ 21 × 21 × #160; 21 #160; =441 × 21 = 9261 Total number of decim ...

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Multiplication of Decimals

Find the prod...

Question

Find the product :
$2.1 \times 0.21 \times 0.021$

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Solution

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$2.73 \div 1.3 = ?$
(a) $21$
(b) $2.1$
(c) $0.21$
(d) none of these

a^{m} \times a^{n} = a^{m + n}

(3.2 x^{6} y^{3}) \times (2.1 x^{2} y^{2}) = (3.2 \times 2.1) \times (x^{6} \times x^{2}) \times (y^{3} \times y^{2}) = 6.72 x^{8} y^{5}

(3.2 x^{6} y^{3}) \times (2.1 x^{2} y^{2}) = 6.72 x^{8} y^{5}

6.72 x^{8} y^{5} = 6.72 {(1)}^{8} {(0.5)}^{5} = 6.72 \times 1 \times 0.03125 = 0.21

0.21

Arrange the following sets of decimals according to their ascending order.

1) 0.6, 0.4, 5.4, 3.2, 1.5
2) 0.7, 1.8, 1.09, 2.1, 2.02
3) 1.5, 2.1, 0.21, 2.03, 1.35

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