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3 years ago

Write 0.000021 in scientific notation.

Mathematics

2 answers:

astraxan [27]3 years ago

7 0

Answer:

2.1 × 10^-5

Step-by-step explanation:

Aliun [14]3 years ago

5 0

Answer:

2.1 x $10^{-3}$

Step-by-step explanation:

Hope this helps!

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Step-by-step explanation:

Step 1: Define

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2 years ago

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3 years ago

23 is 12% of what number

Anon25 [30]

$\frac { 12 }{ 100 } \cdot x=23\\ \\ \Rightarrow \quad \frac { 3 }{ 25 } \cdot x=23\\ \\ \Rightarrow \quad \frac { 25 }{ 3 } \cdot \frac { 3 }{ 25 } \cdot x=23\cdot \frac { 25 }{ 3 } \\ \\ \Rightarrow \quad x=\frac { \left( 20+3 \right) \left( 25 \right) }{ 3 } \\ \\ \Rightarrow \quad x=\frac { 500+75 }{ 3 } \\ \\ \Rightarrow \quad x=\frac { 575 }{ 3 }$

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3 years ago

The volume of a storage tank is 3,375 cubic meters. The storage tank is in the shape of a cube. What is the length of each side?

Eva8 [605]

2,275 should be the length of each side.

Basically what you do is cut the cubic meters in half and subtract.

Have a great day!

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