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Anna35 [415]
3 years ago
9

Someone please help will mark as brainliest

Chemistry
2 answers:
Flura [38]3 years ago
6 0

Answer:

If heart disease is suspected, we use two-dimensional doppler imaging technologies that take in-depth images of the heart. The doppler system records sound waves as they bounce off blood cells in your heart and change pitch. The blood flow shown in these images is colorized to better detect any problems.

Explanation:

Triss [41]3 years ago
5 0

Answer:

look it up it should a better answer than me

Explanation:

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Explanations:- As per the significant figures rule, In multiplication and division, we go with least number of sig figs.

4.03 has three sig figs where as 0.0000035 has two sig figs only, The zeros in this number are not sig figs as they are just holding the place values. As the least number of sig figs here is two, the answer needs to be reported with two sig figs only.

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