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madmatt873
29.01.2020 •
Mathematics
Use the distributive property to write the expression shown to you as a product of two factors
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Ответ:
2(3m+4n+2)
In fact 2×3m=6m;
2×4n=8n;
2×2=4
Ответ:
Using estimation means rounding the two values to the most appropriate accuracy
For instance, we can round both values to the nearest whole number
2.56 rounded to 3
3.16 rounded to 3
2.56 × 3.16 = 3 × 3 = 9
Or we can round both values to one decimal place
2.56 rounded to 2.6
3.16 rounded to 3.2
2.56 × 3.16 = 2.6 × 3.2 = 8.32
The actual answer of 2.56 × 3.16 = 8.0896 and the closest approximation is 8.32.
The more accurate the values are rounded, the closer it is to the actual value.