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anzhelika [568]
3 years ago
11

Is the number written in scientific notation? If not, explain.

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
3 0
Scientific\ notation:\ a\cdot10^n\ where\ 1\leq a \ \textless \  10\ and\ n\in\mathbb{Z}\\\\a.\ 0.15\cdot10^4-NOT,\ because\ 0.15 \ \textless \  1.\ Correct\ is\ 1.5\cdot10^3\\\\b.\ 7.06\cdot10^{-8}-YES\\\\c.\ 3.3\cdot100^1-NOT,\ because\ is\ 100,\ not\ 10.\ Correct\ is\ 3.3\cdot10^2
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nirvana33 [79]

Answer:

55

Step-by-step explanation:

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3 years ago
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Multiply (2 -10i) (-5 + 3i) Show each step for credit!
jonny [76]

Answer:

The answer is

<h2>20 + 56i</h2>

Step-by-step explanation:

(2 -10i) (-5 + 3i)

Using FOIL multiply each term in the first bracket by the terms in the second <u>bracket</u>

That's

2(-5) + 2(3i) - 10i(-5) - 10i(3i)

<u>Multiply the numbers and simplify</u>

We have

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From the rules of imaginary numbers

<h3>i² = - 1</h3>

So we have

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Simplify

30 - 10 + 56i

We have the final answer as

<h3>20 + 56i</h3>

Hope this helps you

5 0
3 years ago
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klemol [59]
2/3 is the answer Hope this helps. :)
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3 years ago
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Michelle drew a scale drawing of a swimming pool she used the scale 14 millimeters 5 meters in the drawing the pool is 42 millim
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EXPLANATION

Let's see the facts:

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Applying the unitary method, the actual width of the pool is:

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The width of the pool is 15m

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1 year ago
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