Write this number in standard form. 4 million, 5 thousand, and twenty-one thousandths

1 answer:

4 0

Write this number in standard form.4 million, 5 thousand, and twenty-one thousandths
Standard form is also known as the numerical form
=> 4 million = 4 000 000
=> 5 thousand = 5 000
=> twenty-one thousandths = .020
Thus,
=> 4 000 000 + 5 000 + .020 = 4 005 000.020

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Please help, If you can also explain the steps you used to solve this that would be great.

Darya [45]

Answer:

24¾

Step-by-step explanation:

8/18=11/x

x=11×18/8

x=198/8

x=24¾

7 0

3 years ago

Which is the simplified form of this expression? (2x+3) (x-6)-2x^2+3x+30

docker41 [41]

-6x + 12

To find this answer, follow these steps:

First, multiply 2x + 3 and x - 6 using either the FOIL method or the box method. This should get you the answer of 2x^2 - 9x - 18

This should now replace the 2x + 3 and x - 6

So with that, you should have this currently:

2x^2 - 9x - 18 - 2x^2 + 3x + 30

Now, combine like terms:

The 2x^2 cancels each other out. After that, combine -9x and 3x to get -6x. Then -18 and 30.

This should leave you with the final answer of -6x + 12

Hope this helps!

8 0

3 years ago

Help will mark brainliest!

BaLLatris [955]

a) The compound interest equation is $C = 4250 \cdot 0.9675^{t}$ .

b) There is an approximate loss of $ 987.16.

c) The stock will take approximately 12.979 to decrease by half.

<h3>How to find stock losses by compound interest model</h3>

Compound interest model represents the gain of a deposit as a function of the number of periods and initial amount. The model is represented below:

$C = C_{o}\cdot (1+r)^{t}$ (1)

Where:

$C_{o}$ - Initial capital, in monetary units.
$r$ - Interest rate.
$t$ - Period number.
$C$ - Current capital, in monetary units.

Capital decreases in time when interest rate is a negative number. The equation that models the situation is $C = 4250 \cdot 0.9675^{t}$ and the current capital after eight years is:

C = 4250 · 0.9675⁸

C = 3262.84

That represents an approximate loss of $ 987.16.

And the number of periods required to decrease the capital by half is:

$2125 = 4250 \cdot 0.9675^{t}$