Multiply. $- 6.9 \cdot 2.5$
A)172.5
B)17.25
C)-17.25
D)-18.25
E)-172.5

Name: Multiply. $- 6.9 \cdot 2.5$ A)172.5 B)17.25 C)-17.25 D)-18.25 E)-172.5
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Question

Quizplus · Accepted Answer

When multiplying a positive and a negative number, the result is always negative. Also, 6.9 rounded to one decimal place is approximately 6.9 and 2.5 rounded to one decimal place is approximately 2.5. 
So, $-6.9\cdot 2.5 \approx -17.25$

Multiply −6.9⋅2.5- 6.9 \cdot 2.5−6.9⋅2.5 A)1725 B)17

Multiply $- 6.9 \cdot 2.5$ A)1725
B)17