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round each factor to the greatest place value and estimate each product of 1. 42.6 x 7.2
2. 68.54 x 4.4
3. 99.2 x 8.5
4. 23.86 x 1.5
5. 46.3 x 4.67​

Sagot :

Misspancitcantonidn

1. 280

2. 280

3. 900

4. 40

5. 250

Step-by-Step Explanation:

Estimating Product

Estimating product is finding the approximate product of the factors and not the exact value. To estimate the product, you have to round off the factors by the indicated place value first before you multiply. Remember the rules in rounding off numbers:

  • If the digit right beside the rounding digit is 4 or below, round down or remain the same.
  • If the right beside the rounding digit is 5 or up, round up or add 1 to the rounding digit.

Let us now find the estimated product of the given numbers above by rounding off the factors to the greatest place value.

1. 42.6 × 7.2

Round Off

42.6 = 40

7.2 = 7

Multiply

40 × 7 = 280

2. 68.54 × 4.4

Round Off

68.54 = 70

4.4 = 4

Multiply

70 × 4 = 280

3. 99.2 x 8.5

Round Off

99.2 = 100

8.5 = 9

Multiply

100 × 9 = 900

4. 23.86 x 1.5

Round Off

23.86 = 20

1.5 = 2

Multiply

20 × 2 = 40

5. 46.3 x 4.67

Round Off

46.3 = 50

4.67 = 5

Multiply

50 × 5 = 250

For more examples of rounding off numbers, visit the links:

brainly.ph/question/576218

brainly.ph/question/614145

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Coquillatrixiemaeidn

Answer:

  1. 280
  2. 280
  3. 900
  4. 40
  5. 250

Step-by-step explanation:

Hope it helps

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