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Andrei [34K]
3 years ago
3

Express this number in standard form. 2.456×10^​11

Mathematics
2 answers:
n200080 [17]3 years ago
6 0

Answer:

The standard form of the given number is 2.456\times 10^{11}=245600000000    

Step-by-step explanation:

Given : Number 2.456\times 10^{11}

To find : Express this number in standard form?

Solution :

We have given the number 2.456\times 10^{11} in scientific notation form.

The standard form is a way of writing a large or smaller number.

To convert scientific notation into standard form,

The exponent of the scientific notation is positive  11  so move the decimal point  11  places to the right.

The number is re-written as =2.456\times 100000000000

Remove the decimal also,

We get, =\frac{2456}{1000}\times 100000000000

=245600000000

Therefore, The standard form of the given number is 2.456\times 10^{11}=245600000000

Bad White [126]3 years ago
4 0
2.456 * 10^11.....since u have a positive exponent, u move ur decimal to the right

start at ur decimal, and count 11 spaces to ur right
245,600,000,000
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pashok25 [27]

Answer:

U =35.5

Step-by-step explanation:

Since this is a right angle, we can use trig functions

tan theta = opp/ adj

tan U = 5/7

Take the inverse of each side

tan ^-1 tan U = tan ^-1 (5/7)

U = 35.53767779

Round to the nearest tenth

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4 years ago
If g(x) = 3(x + 10), what is the value of the<br> function when x = -8?<br> O<br> -8<br> -2<br> 24
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Answer:

6 which is none of your answers.

Are you sure your function is right?

Is value to plug in x=-8?

Step-by-step explanation:

To find the value of the function at x=-8, you replace x with -8 in the function.

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7 0
3 years ago
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Tatiana [17]
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You can set up a proportion:
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4 years ago
What is 8 2/5% of 75? Write your answer as a decimal
likoan [24]

Answer: 0.875

Step-by-step explanation:

The answer that has already been given is perfect in and by itself. I just want to give you some methods for doing these type of questions so that you won’t stagger when you see these type of questions in exams (like the SAT).

Whenever you see such questions, remember the following things. These are conversions of English words to Mathematical tools.

What

=

Any variable like

x

Percent / Percentage / %

=

Divide by 100

of

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Multiply

is

=

Put an equal to (

=

) sign

I’ll give you an example through a question.

What percent of 200 is 5?

Ans: Replace English words by mathematical tools according to the rules I told you.

x

( What) /100 ( percent)

×

( of) 200

=

( is) 5

In a refined form,

x

100

×

200

=

5

Calculate x. On calculating, x comes out to be

2.5

So, 2.5 percent of 200 is 5.

Now your question is actually very simple if you follow my rules.

You want 87.5%. By the rules, % means divided by 100. So

87.5

%

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and now using the same strategy, Ans:

875

1000

Disregard the next section if you know how to convert a decimal to a fraction

Section Starts

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n

number of zeroes. (here 1 is followed by 2 zeroes), you should shift the decimal point to the left side by n places.

In this case, shift decimal point in 87.5 to the left by 2 places. So this becomes 0.875.

This is the answer in decimal point.

Now simultaneously, I’ll teach you how to convert a decimal into a fraction.

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Here, left side of decimal point is 0 and right side of decimal point is 875.

Count the number of digits in the number to the right side of the decimal point (Here, the number of digits is 3)

Remove the decimal point and divide the number by a number formed by 1 followed by the “digits” we obtained (i.e. 3).

So, 875/1000. Simplify this, and you get your answer.

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