Mathematics, 06.10.2019 03:30 saucyboyFredo

If someone has a networth of 7.92×10^10 .suppose that this individual now decides to give one-eighth of a percent of his new net worth to charity. how many dollars are given to charity?

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Networth: 7.92 × 10^10
For the charity is given: 1/8 %= 0.125 % = 0.00125 × networth
We will calculate: $0.00125 * 7.92 * 10^{10} =1.25 * 7.92 * 10^{7} =9.9 * 10^{7}$ =$99,000,000

Answer from: DogeDog6954

The amount of charity is $\boxed{{\mathbf{\$ 99,000,000}}}$ .

Further explanation:

The scientific notation of a number can be written as,

$a \times {10^n}$

Here, the value of lies between $1{\text{ and 10}}$ .

Procedure used:

To find the cost of item first determine the cost of one item and then multiply it by .

Given:

The net worth of person is $7.92 \times {10^{10}}$ in dollars.

Step by step explanation:

Step 1:

It can be seen that the net worth is given in the scientific notation.

First we convert $7.92 \times {10^{10}}$ into numerical figures.

It can be seen that in the number 7.92 has two digits after the decimal.

Therefore, the decimal number 7.92 can be converted into fraction form as,

$7.92 = \dfrac{{792}}{{100}}$

The number ${10^{10}}$ can be calculated as,

$\begin{aligned}{10^{10}} &= 10 \times 10 \times 10 \times 10 \times 10 \times 10 \times 10 \times 10 \times 10 \times 10 \\&= 10000000000 \\\end{aligned}$

Now evaluate the expression $7.92 \times {10^{10}}$ as,

$\begin{aligned}7.92 \times {10^{10}} &= \frac{{792}}{{100}} \times 10000000000 \\ &= 79200000000 \\\end{aligned}$

Step 2:

From step 1, the value of the expression $7.92 \times {10^{10}}$ is 79200000000 .

It is given that the percent of charity is $\dfrac{1}{8}$ .

Therefore, the percent of charity given can be converted into the decimal as,

$\begin{aligned}\frac{1}{8}\% &= \frac{1}{8} \times \frac{1}{{100}}\\&= 0.00125 \\\end{aligned}$

Multiply 0.00125 by 79200000000 to obtain the amount of charity as,

$\begin{aligned}{\text{amount of charity}} &= \$ 79200000000 \times 0.00125 \\ &= \$ 99,000,000 \\\end{aligned}$

Therefore, the amount of charity is $\$ 99,000,000$ .

Learn more:

Learn more about the function is graphed below link Learn more about the symmetry for a function link Learn more about midpoint of the segment link

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Fraction

Keywords: Dollars, multiply, net worth, charity, percent, fraction, amount, decimal, scientific notation, one-eighth, conversion, numerical figure.

Answer from: Quest

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step-by-step explanation: just trying to get points sorry : (

Answer from: Quest

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step-by-step explanation:

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