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Alexandra [31]
2 years ago
8

Yesterday, there were b milligrams of bacteria in a lab experiment. Today, there are b^2 milligrams of bacteria. If there are 40

0 milligrams today, how many milligrams of bacteria were there yesterday. a. 20 milligrams b. 200 milligrams c. 1,600 milligrams d. 160,000 milligrams Eva chose B as the correct answer. How did she get that answer. Show the correct answer
Mathematics
1 answer:
Ksju [112]2 years ago
4 0

Answer:

A

Step-by-step explanation:

b^2 = 400

b = 20.............

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