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kaheart [24]
3 years ago
10

8b-12 for b =2.1 We have to evaluate it and idk how

Mathematics
2 answers:
Jet001 [13]3 years ago
7 0
It will look.like this 8(2.1)-12 8 times 2.1 then subtract answer by 12
olga2289 [7]3 years ago
4 0
To evaluate this situation, you need to look at the given information. We know that b is 2.1 and that the expression b is put into is 8b-12. So, just plug in for b. 
8*2.1 - 12. Use the order of operations to ensure a correct answer. So, multiply first. 8 * 2.1 is 16.8. Nou, subtract. 16.8 - 12 = 4.8. So, the final answer is 4.8
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