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3 years ago

What is each number in scientific notation?

Mathematics

2 answers:

weeeeeb [17]3 years ago

5 0

Answer:

I need to know the numbers

Step-by-step explanation:

I just did this in math so I can help you.

Nastasia [14]3 years ago

4 0

Can you please give me the numbers

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Tiffany buys a basket of watermelons on sale for \$9$9dollar sign, 9 before tax. The sales tax is 9\%9%9, percent.

Gnoma [55]

Answer:

<em>Tiffany pays a total price of $9.81 for the basket of watermelons</em>

Step-by-step explanation:

<u>Percentages</u>

To increase a certain amount by a given percentage, we can first calculate the increasing amount and then add it to the original amount.

If the price of the basket of watermelons was $9 before tax, and the sales tax is 9%, we first calculate the tax amount to pay:

$9 * 9 / 100 = $0.81

Now we add it to $9 to get the total price paid by Tiffany:

Total price = $9 + $0.81 = $9.81

Tiffany pays a total price of $9.81 for the basket of watermelons

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2 years ago

Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchas

strojnjashka [21]

He had 50 books before.

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3 years ago

3(x-4)+2(×+1) I need help

Ket [755]

Answer:

Simplify:

5x - 10

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2 years ago

The ratio of the length of a rectangle to its width is 8 to 5. If the longer side of the rectangle is 20ft, what is the length o

choli [55]

Answer: The answer is 12.5 ft.

Step-by-step explanation: Given that there is a rectangle with ratio of its length to breadth 8 : 5. Also, the longer side of the rectangle is 20 feet. We are to find the length of the shorter side.

Let, '8x' and '5x' be the length and breadth of the rectangle respectively. Since length is the longer side, so we have

$8x=20\\\\\Rightarrow x=\dfrac{20}{8}\\\\\\\Rightarrow x=2.5.$

Therefore, width, length of the shorter side will be

$W=5x=5\times 2.5=12.5~\textup{ft.}$

Thus, the length of the shorter side is 12.5 ft.

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3 years ago

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HELP ASAP!!!!!!!!!!!!!!!!!

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