Question

Evaluate 7k+3.4j−(2k+3.9) when k=4.1 and j=1.7

Answer 1

22.38

Explanation:

7*4.1=28.7

3.4*1.7=5.78

2*4.1=8.2

8.2+3.9=12.1

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28.7+5.78-(12.1)

34.48-12.1

22.38

Answer 2

42.47?

Explanation: