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sesenic [268]
4 years ago
6

The question is

Mathematics
2 answers:
Olin [163]4 years ago
4 0

To estimate round each number to the closest whole number

7.8 would round to 8

307 would round to 300

8 x 300 = 2400

The answer would be c 2400

svet-max [94.6K]4 years ago
4 0

Answer:

C.2400

Step-by-step explanation:

~To estimate you would have to first do 7.8 × 307 which equals 2394.6.

~Then you would look at the answer choices and since 2400 is the closest the answer would be C.

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If a spacecraft was parked on Venus and needed to make a flight to Jupiter, how far would it need to travel? (Assume both planet
victus00 [196]
In miles 365 million miles or 365,000,000
in km, 588 million km or 588,000,000

so
scientific notation=(number less than 10 and greater than or equal to 1) times 10^n

so
we need to move the decimal point 8 spaces to the left
to compensiate for that, we multiply by 10⁸ which will move it 8 to the right
so

365,000,000 mi=3.65 times 10⁸ mi
588,000,000 km=5.88 times 10⁸ km

those are the distances in scientific notation


4 0
3 years ago
Read 2 more answers
The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift.
garik1379 [7]

Answer:

The probability that X is less than 32 minutes is 0.736.

Step-by-step explanation:

Given : The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift. If X has an average value of 24 minutes.

To find : What is the probability that X is less than 32 minutes?

Solution :

If X has an average value of 24 minutes.

i.e. \lambda=24

The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift.

The exponentially function is \frac{1}{\lambda}e^{-\frac{x}{\lambda}}

The function form according to question is

f(x)=\{\frac{1}{24}e^{-\frac{x}{24}}, x>0\}

The probability that X is less than 32 minutes is

P[x

P[x

P[x

Therefore, the probability that X is less than 32 minutes is 0.736.

7 0
3 years ago
Beth wants to buy a gaming system for 220$.
Ulleksa [173]
3 I think lol
- Samuel

Though, I’m not sure
3 0
3 years ago
Which inequality represents all possible solutions of −6n<−12?
muminat

Answer:

B n>2

Step-by-step explanation:

−6n<−12

Divide each side by -6, remembering to flip the inequality

-6n/-6 > -12/-6

n >2

5 0
3 years ago
I do not understand this
Amanda [17]

Answer:

Step-by-step explanation:

  • The first question's slope is 0 because it is a straight horizontal line
  • The second question is undefined because it is a straight vertical line
  • The third question's slope isn't able to be found with a blank line, but the line is positive because the more it travels right, it also goes up. So the slope of the third is positive
  • The fourth is similar to the third as its slope cannot be calculated with a blank line, but the more it moves right, the more it moves down, meaning the slope is negative.

7 0
3 years ago
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