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Aleks [24]
3 years ago
15

Round 27834 to 2 significant figures

Mathematics
1 answer:
julsineya [31]3 years ago
5 0

28000 is the answer.

you count two numbers from front and approximate

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What is 2℅ of 150? EXPLAIN YR ANSWER!!!!​
Orlov [11]

Answer:

2% of 150 is 3

Step-by-step explanation:

First, I divide 100 by 150 to get 1.5.

Then, 2 which is ( 2 percent) times 1.5 to get 3.

4 0
3 years ago
Please give me the answers to all three I will mark u brilliant
elixir [45]

Answer:

First know the formula for the area of a circle;

<h2>A = πr^{2}</h2>

Where 'π' represents pi(3.14 or 22/7), and 'r' stands for the radius being squared.

For the first problem, we can see that 12 is our <u>diameter</u>.

And to find the radius, we need to find 1/2 of the diameter (half of the diameter), so;

D/2 = R

Replace with actual values;

12/2 = 6, <u>6</u> is our <u>radius</u>.

Now we plug this into our formula:

A = πr^{2}

A = 3.14(6^2)

A = 3.14(36)

A = <u>113.04 centimetres</u> is the area of the circle.

For the second problem, we can see that 18 is our <u>diameter</u>.

And to convert the diameter into the radius, we do what we did to the past problem, find 1/2 of the diameter.

So;

D/2 = R

18/2 = 9, <u>9</u> is our <u>radius</u>.

Now we plug this into our formula:

A = πr^{2}

A = 3.14(9^2)

A = 3.14(81)

A = <u>254.34 inches</u> is the area for this circle.

For the third problem, we can see that our radius is already given, 5.

So now we just simply and easily plug this into our formula;

A = πr^{2}

A = 3.14(5^2)

A = 3.14(25)

A = <u>78.5 meters</u> is the area for this circle.

4 0
2 years ago
there are fifty five people thirty four are female and twenty one are what is the percentage of male​
Natali5045456 [20]

Answer:

38.2%

Step-by-step explanation:

3 0
3 years ago
Jose buys cookies and oranges at the store. He pays a total of \$49.82 He pays a total of $4.81 for the cookies . He buys 7 bags
Ierofanga [76]

Answer:

7x+4.81=49.82x

x=6.43

3 0
3 years ago
The family size bottle of sunscreen holds 12 fluids (fl oz) of sunscreen. The regular bottle holds 75% less. How many fewer flui
asambeis [7]

Answer:

9 fewer ounces

Step-by-step explanation:

first divide 12 by 100 to get .12

then multiply that by 75 and get 9

12-9=3

3 0
3 years ago
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