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elena-s [515]
3 years ago
12

Which is the correct way to write 602, 200,000,000,000,000,000,000 in scientific notation?

Mathematics
1 answer:
scoundrel [369]3 years ago
6 0
Scientific notation is
n times 10^x
where 1≤n<10 and x is the number of places the decimal place moved (if it moved to the right, x is negative, if it moved to the left, x is positive)


602, 200,000,000,000,000,000,000.0
we see we need to move decimal to the left 23 spaces to here
6.022 times 10^23

answer is 6.022*10^{23}


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3) Katie’s family went out to dinner. The dinner bill was $85 and the family gave the server a 20% tip. a) What’s the tip? Pleas
Anni [7]

Answer:

<u>Part A: US$ 17</u>

<u>Part B : US$ 102</u>

Step-by-step explanation:

1. Let's check all the information given to us to answer the question correctly:

Dinner bill = US$ 85

Tip to the server = 20% of the bill

2. What’s the tip?

20% = 0.2

Tip to the server = 0.2 * 85

<u>Tip to the server = 17</u>

3. What’s the total of the dinner?

Total of the dinner = Dinner bill + Tip to the server

Total of the dinner = 85 + 17

<u>Total of the dinner = 102</u>

5 0
4 years ago
From their location in the diagram, what are two possible values for n and m?
Makovka662 [10]

Answer:

the answer is A

Step-by-step explanation:

8 0
4 years ago
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Surface area of a right cone. <br>Solve for P S=2b+ph
Leya [2.2K]
S = 2b + ph

Lets subtract both sides by 2b

s - 2b = ph

Now, divide both sides by h

(s-2b)/h = p

Hope this helps!
7 0
3 years ago
The measure of angle θ is 3pi/2 . The measure of its reference angle is /, and tan θ is .
Sphinxa [80]

Answer:

Reference angle: \frac{\pi}{2}

tan(\theta)=tan(\frac{3\pi}{2}) is not defined.

Step-by-step explanation:

The angle \theta goes from the positive x-axis to the negative y-axis.

Therefore the reference angle can be calculated as following:

\frac{3\pi}{2}-\pi=\frac{\pi}{2}

 We know that tan(\theta)is:

tan(\theta)=\frac{sin(\theta)}{cos(\theta)}

If \theta=\frac{3\pi}{2} then cos(\frac{3\pi}{2})=0, therefore tan(\frac{3\pi}{2}) is not defined, because the division by 0 is not defined.

8 0
3 years ago
The angles of a triangle are in a ratio 1:3:8. What are the angles?<br>​
xxTIMURxx [149]

Answer:

15° , 45°, 120°

Step-by-step explanation:

sum the parts of the ratio, 1 + 3 + 8 = 12 parts

the sum of the 3 angles in a triangle = 180° , then

180° ÷ 12 = 15° ← value of 1 part of the ratio, then

3 parts = 3 × 15° = 45°

8 parts = 8 × 15° = 120°

the 3 angles are 15° , 45° , 120°

6 0
3 years ago
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