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Katena32 [7]
3 years ago
13

When may it be a good idea to use scientific notation for si prefixes?

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0
I believe SI is the international system of measurements, our metric system. You would want to use this when numbers begin to get too small, or too large. Some examples would be when calculating distances of spacial bodies such as  the distance from earth to the center of the milky way which is about <span>1,000,000,000,000,000,000 km  or 1*10^18. 1*10^18 is easier to write and is less confusing.</span>
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Step-by-step explanation:

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3 years ago
Simplify the expression. (3.5x - 5) + (7.2x + 10)
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Step-by-step explanation:

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Answer:

yes, triangle DEF is similar to triangle DBC, BC corresponds to EF, and angle DCB corresponds to angle F.

Step-by-step explanation:

Part A: Angle D is congruent to angle D by the reflexive property. Since line BC is parallel to line EF then angle DCB = angle DFE by corresponding angles.  Hence triangle DEF is similar to triangle DBS by the AA Similarity Postulate.

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Step-by-step explanation:

A(-5,1) and B(0,4)

m \:  =  \:  \frac{y2 - y1}{x2 - x1}

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m \:  =  \:  \frac{3 }{5}

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