MATHEMATICS MIDDLE SCHOOL

Round 6.7493 to 2 significant figures

Answers

Answer 1
Answer:

Answer:

6.75

Step-by-step explanation:

Since, when we rounded a decimal number to 2 significant figures,

We check the thousandth digit, ( third digit after decimal )

If thousandth digit is less than 5 then the hundredth digit ( second digit after decimal ) will be rounded to preceding number while if it is 5 or more than 5 then the hundredth digit will be rounded to succeeding number,

∵ 9 > 5

Hence, 6.7493 ≈ 6.75

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Kevin has 9 stamps that have the image of a boat on them.If this is the 30% of the total collection of stamps Kevin has, how many stamps does he have?
If 7.29 ÷ 9 = 0.81, then the quotient of 7.29 ÷ 90 is _________________. Use place value reasoning to explain the placement of the decimal point.

To which sets of numbers does-1/4 belong

Answers

Rational and integers
rational im pretty sure 

you have 20 cookies with the ratio is 2 chocolate chip for every 3 sugar. how many sugar cookies do you have?

Answers

Total number of parts:
2+3=5.

Each part is:
20 cookies/ 5 parts= 4 cookies/part.

Number of chocolate cookies is:
4 cookies/part* 2 parts= 8 cookies.

Number of sugar cookies is:
4 cookies/part* 3 parts= 12 cookies.

There are 8 chocolate cookies and 12 sugar cookies~
sugar     3 6 9 12
cc          2 4 6 8

12+8=20        12 sugar cookies    (just make a table) :)

hope it helped

Find the product 54 times 653

Answers

Product mean multiplication there for you just multiply the two numbers

well 54 times 653 is noting but 54 × 653

so if you multiply 54 and 653 u get the product 35262.

You are looking at two area rugs for your bedroom. One is a square with a side length of 6.3 feet. the other is a rectangle that is 4.8 feet by 8.2 feet. Which rug will cover the greater area?

Answers

If you would like to know which rug will cover the greater area, you can calculate this using the following steps:

a square: 6.3 feet * 6.3 feet = 39.69 square feet
a rectangle: 4.8 feet * 8.2 feet = 39.36 square feet

39.69 > 39.36

The correct answer would be: A square rug will cover the greater area.

a baseball diamond is shaped like a square the perimeter perimeter is 360 feet what is the length of each side

Answers

360/4=90 you need to take the 360 feet and divide it by 4 (sides) to get 9o feet per side. 
you need to divide the permimeter by 4 because a square has 4 sides
360/4=90
each side length is 90 feet

What is the cost of 8 cans of tomato sauce at 48.25 a can?What are the given facts?
What is asked in the question?
What are the operations to be used?
What is the number sentence?
What is the answer to the problem?

Answers

Given facts:
8 cans of tomato sauce
Cost of a can of tomato sauce: $48.25

What the question asks:
What is the total cost of 8 cans of tomato sauce at $48.25 per can?

Operations used:
Multiplication (Since you want to find the cost for 8 cans of tomato sauce, you will want to multiply the individual cost of a can by the total amount of cans.)

Number sentence:
8 * 48.25

Answer:

8 * 48.25 = \boxed{386}

8 cans of tomato sauce will cost a total of $386.
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