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loris [4]
4 years ago
10

Express 31 billion in scientific notation

Mathematics
1 answer:
ella [17]4 years ago
5 0
3.1 x 10^10

Yeah, that's it.
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One bus leaves a stop every 15 minutes a second bus leaves the same stop every 20 minutes if they both leave at 3.20 pm at what
Eddi Din [679]

Answer:

They will both leave a stop at 4:20 pm

Step-by-step explanation:

They start at 3:20 pm and one bus leaves 15 MIN every stop and the other one at 20 min.

at the times they stop they stop it will be:

15 min. 20 min

3:35. 3:40

3:50. 4:00

4:05. 4:20

4:20

4 0
3 years ago
Divide £10 into ratio 2:3
nlexa [21]

A ratio of 2:3 is the same as 2/3 now we can divide out 2/3 to .6666666 and then multiply by 10 to get 6.666666 or you could just multiply 10 x 2/3 to get 20/3 and then divide to get 6.66666.

7 0
3 years ago
Read 2 more answers
The circumference of a circle is 28. Contained in that circle is a smaller circle with area 36π. A point is selected at random f
Marrrta [24]

Answer:

Pr = \frac{9}{49}

Step-by-step explanation:

Given

d = 28 --- big circle

A_2 = 36 \pi --- area of small circle

Required

Probability that a point selected lands on the small circle

Calculate the area of the big circle using;

A_1 = \pi r^2

Where

r = d/2

So, we have:

r = 28/2 = 14

This gives:

A_1 = \pi * 14^2

A_1 = \pi * 196

A_1 = 196\pi

The probability that a point selected lands on the small circle is calculated by dividing the area of the small cicle by the big circle

This gives:

Pr = \frac{36\pi}{196\pi}

Pr = \frac{36}{196}

Simplify

Pr = \frac{9}{49}

3 0
3 years ago
With a method !!!!!
Nezavi [6.7K]

Answer: 3344c^2m^2

Step-by-step explanation:

3 0
3 years ago
Can someone plz help me
swat32

I believe the total is 2,880 cans.

8 0
3 years ago
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