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in Introduction to Algebra by (15.8k points)
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Observe the following patterns and complete them.

(i) 5, 8, 11, 14, ___, ____, ____

(ii) If 15873 × 7 = 111111 and 15873 × 14 = 222222

then, what is 15873 × 21 = ? and 15873 × 28 = ?

1 Answer

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Best answer

(i) 17, 20, 23

Hint: 5 + 3 = 8, 8 + 3 = 11, 11+3 = 14

(ii) 15873 × 21 = 333333; 15873 × 28 = 444444

Hint: 15873 × 14 = 15873 × 7 × 2 = 111111 × 2 = 222222

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