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3 years ago

The population of a town is about 5.7* 10^5. write the population in standard form.

Mathematics

2 answers:

grin007 [14]3 years ago

7 0

Yeah the correct answer is 570,000

zvonat [6]3 years ago

5 0

Answer:

The standard form of this will be 570,000

Step-by-step explanation:

Because. . .

1) 10^5 = 100,000

2) 100,000 times 5.7 = 570,000.

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Would you solve the equation 0.25x + 7 = 1/3x – 8 using fractions or decimals? Explain please.

mamaluj [8]

Answer:

$x = 180$

Step-by-step explanation:

Solve the value of $x$ :

$0.25x + 7 = \frac{1}{3}x - 8$

-Combine $\frac{1}{3}x$ and $0.25x$ by subtracting $0.25x$ by $\frac{1}{3}x$ :

$0.25x - \frac{1}{3}x + 7 = \frac{1}{3}x - \frac{1}{3}x - 8$

$-\frac{1}{12}x + 7 = -8$

-Subtract $7$ on both sides:

$-\frac{1}{12}x + 7 - 7 = -8 - 7$

$-\frac{1}{12}x = -15$

-Multiply both sides by $-12$ , the reciprocal of $-\frac{1}{12}$ :

$\frac{-\frac{1}{12}x}{-\frac{1}{12}} = \frac{-15}{-\frac{1}{12}}$

$x = -15 (-12)$

$x = 180$

Therefore, the value of $x$ is $180$ .

7 0

3 years ago

In terms of significant figures, when doing division and/or multiplication, the answer should reflect the number in the problem

frosja888 [35]

THE STATEMENT IS TRUE.

MULTIPLICATION AND DIVISION: When multiplying or dividing numbers, count the NUMBER OF SIGNIFICANT FIGURES. The answer cannot CONTAIN MORE SIGNIFICANT FIGURES THAN THE NUMBER BEING MULTIPLIED OR DIVIDED with the LEAST NUMBER OFSIGNIFICANT FIGURES.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

5 0

3 years ago

Fifteen less than twice a number is 21. What is the missing number? |

Vikentia [17]

Answer:

2y - 15

Step-by-step explanation:

well 15 LESS than TWICE a number. okay so let’s start off by making a variable for the unknown number.... y. the variable is y. so now we have to think, TWICE that number, but we don’t know the number.

Now that we have the variable and we know it has to be doubled, let’s start off making the first half... we can out that into 2y. which is 2 multiplied by the unknown number.

now that we have the first half done, we have to take the 15 less. Less can mean or subtract in this kind of situation. but for this certain scenario, it will be subtraction. so the equation would be 2y - 15.

4 0

3 years ago

Please help! I’m begging you. Give the answers!

ki77a [65]

Answer:

4lb and 6oz

Step-by-step explanation:

number one is

8 0

3 years ago

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