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Properties of Whole Numbers

Question

Find the value of the following using various properties:
$$647 \times 13 + 647 \times 7$$

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Solution

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By using distributive property we get
$$647 \times 13 + 647 \times 7 = 647 \times (13 + 7)$$
$$ = 647 \times 20$$
$$ = 12940$$

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Similar Questions

Q1

Find the value of the following using various properties:
$$647 \times 13 + 647 \times 7$$

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Q2

Find the value of each of the following using various properties:
(i) 647 × 13 + 647 × 7
(ii) 8759 × 94 + 8759 × 6
(iii) 7459 × 999 + 7459
(iv) 9870 × 561 − 9870 × 461
(v) 569 × 17 + 569 × 13 + 569 × 70
(vi) 16825 × 16825 − 16825 × 6825

View Solution

Q3

Find the value of each of the following using various properties:
(i) 647 × 13 + 647 × 7
(ii) 8759 × 94 + 8759 × 6
(iii) 7459 × 999 + 7459
(iv) 9870 × 561 − 9870 × 461
(v) 569 × 17 + 569 × 13 + 569 × 70
(vi) 16825 × 16825 − 16825 × 6825

View Solution

Q4

Find the following sum using suitable rearrangement.
(1962 + 453 + 1538 + 647)

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Q5

Find the value of the following using various properties:
$$569 \times 17 + 569 \times 13 + 569 \times 70$$

View Solution