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Crazy boy [7]
1 year ago
10

Can someone please help me?

Mathematics
2 answers:
Elena L [17]1 year ago
6 0

Answer: 8 billion  or 8,000,000,000

====================================================

Reason:

We start with 8 \times 10^9 which is the same as 8.0 \times 10^9

The exponent 9 tells us to move the decimal point 9 spots to the right. If the exponent was negative, then we'd move the decimal point to the left that many spaces.

So we go from 8.0 to 8,000,000,000.0 or simply 8,000,000,000 which is the number 8 billion

Side note: There are 9 zeros in 8,000,000,000

zaharov [31]1 year ago
4 0

Answer:

8000000000

Step-by-step explanation:

8 times 10^9 = 8000000000

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lena has $150 saved for a car. she gets a job to save even more money. She earns $532 for four weeks' worth of work. How much wi
son4ous [18]

Answer: Lena saved up $3,475 in 25 weeks


Step-by-step explanation:

150 + 532 = 682

682/4 = 133

133 x 21 = 2,793

2,793 + 682 = 3,475

Hope this helps :)



8 0
3 years ago
The surface of an office desk has a perimeter of 20 feet and an area of 21 square feet. what are the dimensions of the desk?
PolarNik [594]

Answer:

3 feet by 7 feet

Step-by-step explanation:

perimeter = 20 feet

area = 21 feet²

If the desk is a rectangle:

perimeter = 2l + 2w = 2 (l+w) = 20

                                    2 (l+w) = 20 , divide both sides by 2

                                          l+w = 10

area = l · w = 21

What numbers we know that have sum as 10 and their product as 21?

l + w = 10

l · w = 21

factors of 21 are 1,3,7

3+7 = 10

3 ·7 = 21

The dimensions of the desk could be 3 feet by 7 feet.

6 0
2 years ago
Which of the following coordinate planes shows the graph of the function y-3=-2(x+2)?
Ugo [173]

Answer:

-5=x

Step-by-step explanation:

3=-2 (x+2)

-2 (x+2) = -2x-4

3=-2x-4

-4 from 3 and -4

= -7=-2x

do the opposite "-2 to +2 "

=-5=x

8 0
3 years ago
What value of p makes the equation true?
steposvetlana [31]

Answer:

Step-by-step explanation:

1/2

5 0
3 years ago
Read 2 more answers
Decomposition, find f(x) and g(x) so that the function can be
andrew11 [14]

Answer:

steps below

Step-by-step explanation:

f(x) = x + 5

g(x) = x - 4

f(g(x)) = f(x-4) = (x-4) + 5

3 0
3 years ago
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