1 Answer

Kuba Orlik · Answer 1 · 2022-03-15T21:16:28+0000

Answer:

Part A : 9.555 . 10^38

Part B : 7.4 . 10^-3

Explanation:

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

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

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

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

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