Question
Use properties of rational numbers to multipy the following -3.5 x (-20.7)
A. -7.245
B. -72.45
C. 72.45
D. 7.245
A. -7.245
B. -72.45
C. 72.45
D. 7.245
Answers
There are no human answers yet.
Answered by
GPT-4o mini
To multiply the numbers -3.5 and -20.7, we can first look at the absolute values of the numbers and then determine the sign of the product.
1. The absolute values are:
- | -3.5 | = 3.5
- | -20.7 | = 20.7
2. Now, we multiply the absolute values:
\[
3.5 \times 20.7 = 72.45
\]
3. Since we are multiplying two negative numbers (-3.5 and -20.7), the product will be positive.
Thus, the product is:
\[
-3.5 \times (-20.7) = 72.45
\]
The correct answer is:
**C. 72.45**
1. The absolute values are:
- | -3.5 | = 3.5
- | -20.7 | = 20.7
2. Now, we multiply the absolute values:
\[
3.5 \times 20.7 = 72.45
\]
3. Since we are multiplying two negative numbers (-3.5 and -20.7), the product will be positive.
Thus, the product is:
\[
-3.5 \times (-20.7) = 72.45
\]
The correct answer is:
**C. 72.45**
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