How do i put 6.24x10^2 in standard scientific notation?

1 answer:

5 0

If you mean into standard form, then simply what you do is simplify. First step, you take 10 to the power of two. The expression becomes 6.24x100. Multiply them both, and your answer is 624. To make it simpler to solve, simply look at the exponent and move the decimal point to the right as many as the value of the exponent.

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Cable company a increase their rates from 98 a month to 110.92 a month.what is the percents of increase?

Debora [2.8K]

So from 98 to 110.92 is just 12.92 extra bucks.

if we take 98 to be the 100%, what is 12.92 off of it in percentage?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
98&100\\
12.92&p
\end{array}\implies \cfrac{98}{12.92}=\cfrac{100}{p}\implies p=\cfrac{12.92\cdot 100}{98}$

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James had a peach that was 98mm in diameter. One day he watered it with a magical solution, and it grew to 188,869 mm in diamete

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We know that 98mm is the 100% of the diameter of the plant before James watered with the magical solution; after he watered, the diameter of the plant grew to 188.869mm. Let $x$ be the grew in the percentage of the diameter.
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Now that we know the diameter of the plant grew 192.7%, we just need to divide that quantity by 100% to find how many times the diameter grew:
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