Question

3. Find the value of each of the following using various properties:
(1) 647 x 13 + 647 x 7
(11) 8759 x 94 + 8759 x 6
(1) 7459.X 999 + 7459
(iv) 9870 x 561 - 9870 x 461
(v) 569 x 17 +569 x 13+569 x 70 (VÍ) 16825;15825-16825x6825​

Answer 1

Answer:

1. 12940

2. 875900

3. 7459000

4. 987000

5. 56900

Step by step explanation

1. 647×(13+7)

647*20

12940

2. 8759(94+6)

8759 × 100

875900

3. 7459×1000

7459000

4. 9870×(561-461)

9870×100

987000

5. 569×(13+17+70)

569×100

56900

6. 16825×15825-16825×6825

16825×(15825-6825)

16825×(9000)

15142500

Answer 2

Step by step explanation

1. 647×(13+7)

647*20

12940

2. 8759(94+6)

8759 × 100

875900

3. 7459×1000

7459000

4. 9870×(561-461)

9870×100

987000

5. 569×(13+17+70)

569×100

56900

6. 16825×15825-16825×6825

16825×(15825-6825)

16825×(9000)

15142500

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