What is the estimate of the sum of 304, 613, 840, and 434 using front end estimation?

Answers

Answer 1

Answer: Well round the numbers to the nearest hundred then add.

300 + 600 = 900
800 + 400 = 1200
1200 + 900 = 2100
2100 is your sum

Answer 2

Answer: The answer is 2100. Round to the nearest hundred for each number and add.

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What numbers are greater than 7 x 10^-4? Please help!Choose all answers that are correct.
A) 8 x 10^-4
B) 9 x 10^-5
C) 4 x 10^-4
D) 3 x 10^-2
E) 7 x 10^-5

Answers

b 8x 10 ^-5 is the correct answer

Which pair of ratios is proportional? A. 5/7 and 25/35 B. 6/9 and 18/26 C. 9/18 and 16/36 D. 35/120 and 75/240

Answers

The answer is A bcause 5×5/7×5=25/35.

Its A: $(5)/(7)$ = $(25)/(35)$
because $(5*5)/(7*5)$ = $(25)/(35)$
the others do not have a common number multiplied in the numerator and denominator.
Note: If the numerator and Denominator are multiplied by the same number, it is proportional.
In this example, it was multiplied by 5

Compare.Use <,>,or =.

1,000 ft _____ 300 yd

Answers

1,000 ft > 300 yd
1,000 ft = 3 yards

1000ft > 300 yd

1ft=3yd
1000ft=333.33yd

Use all four operations without parentheses to write an expression that has a value of 1.

Answers

Answer:

The expression can be 1+1÷1×1-1 or 5×2+1-20÷2

Step-by-step explanation:

Consider the provided information.

The all four basic operation of mathematics are: +, -, ×, ÷

We need to use all the above operations to write an expression that has a value of 1.

There can be several ways to write an expression that has a value of 1.

Few of them are shown below:

1+1÷1×1-1=1

The another expression that has a value of 1 is:

5×2+1-20÷2=1

Hence, the expression can be 1+1÷1×1-1 or 5×2+1-20÷2

2x1-1+1/2=1
im pretty sure i used the four operations:
multiplication
division
addition
subtraction

So I have a problem with a pie chart and I need to find the total amount of people surveyed using the amount of one portion of it.I cannot figure out how to do this, so I hope someone can help me. Also, I need you to explain how you got your answer because this is basically an essay question because I need to explain the steps on how I got it

Answers

42% = 210 so,
42/100=210/x
Cross multiply-
42x=21000
Divide by 42 on both sides and you get- 500

Answer:

500 Total people were surveyed

Step-by-step explanation:

All you gotta do is divide the number of football players, 210, by the percentage, 0.42. And when you divide 210 by 0.42, you get the total number of people surveyed, which was 500.

210 ÷ 0.42 = 500

To the nearest ten thousand, the population of Vermont was estimated to be about 620,000 in 2008. What might have been the exact population of Vermont in 2008?

Answers

619, 000 because if you round to the nearest ten thousandth, it would go from 619,000 to 620,000.

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