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Nina [5.8K]
2 years ago
8

Someone answer please I would be very grateful ​

Mathematics
1 answer:
Reil [10]2 years ago
7 0

Answer:

Part A : 9.555 . 10^38

Part B : 7.4 . 10^-3

Step-by-step explanation:

<h3>Part A</h3>

3.9 \: . \:  {10}^{33} . \: 2.45 \: . \:  {10}^{5}  \\ 3.9 \: . \: 2.45 \: . \:  {10}^{33 + 5}  \\ 9.555 \: . \:  {10}^{38}  \\

<h3>Part B</h3>

7.4 \: . \:  {10}^{ - 3}mm  \\ 7.4 \: . \:  \frac{1}{ {10}^{3} }  \\ 0.0074mm

7.4 \: . \:  {10}^{3}mm  \\ 7.4 \: . \: 1000 \\ 7400mm

A blood cell is too small. So the more reasonable measurement is 0.0074mm.

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