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andre [41]
3 years ago
15

2.1x10^6 ______ 7x10^3 answer in standard form ...................10^......

Mathematics
1 answer:
VMariaS [17]3 years ago
4 0

Given:

The expression is:

\dfrac{2.1\times 10^6}{7\times 10^3}

To find:

The simplified form of the given expression in standard form.

Solution:

We have,

\dfrac{2.1\times 10^6}{7\times 10^3}

It can be written as:

\dfrac{2.1\times 10^6}{7\times 10^3}=\dfrac{21\times 10^5}{7\times 10^3}

\dfrac{2.1\times 10^6}{7\times 10^3}=\dfrac{21}{7}\times \dfrac{10^5}{10^3}

\dfrac{2.1\times 10^6}{7\times 10^3}=3\times 10^{5-3}        [\because \dfrac{a^m}{a^n}=a^{m-n}]

\dfrac{2.1\times 10^6}{7\times 10^3}=3\times 10^2

Therefore, the required value is 3\times 10^2.

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Alecsey [184]
The volume of a triangular prism is equal to :
area of the base x height

the area of the base :
10 \times 4 \div 2 = 40 \div 2 = 20

so the volume is
20 \times 8 = 160

the answer is 160m^3




good luck
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3 years ago
If the diameter of a circle is 22.2, then the radius would be _____?
kumpel [21]

Answer:

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Step-by-step explanation:

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-7x - 2y = 19<br> 4x + y = -12<br> Solve the system
nalin [4]

-7x - 2y = 19

4x + y = -12

Set y equal to each other (opposite signs are fine and you could also set x equal instead of y)

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Add equations together

x = -52

Plug x value into an equation

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Hope this helps! ;)

4 0
3 years ago
2 Which expression is equivalent to 64-*?
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Answer:

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64-x^2

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