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JulijaS [17]
4 years ago
5

Round 38.1 to the nearest whole number

Mathematics
1 answer:
Phoenix [80]4 years ago
4 0
38.

If it's 5 and above, give it a shove
If it's 4 and below, leave it alone

Basically if the number is 5 or above, it goes up to the next number

If it's 4 and below, it's rounds down
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Please help me with this because I am completely lost on this
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Step-by-step explanation:

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3 years ago
What is 30,422,200 in expanded form?
Otrada [13]

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30000000 + 400000 + 20000 + 2000 + 200

Step-by-step explanation:

3 0
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4 years ago
If you were to flip a coin 10 times, what is the probability that it will land on heads exactly 7 out of 10 times?
bezimeni [28]

Answer:

The probability of flipping a coin 10 times and it landing on heads exactly seven times is about 0.1172 or 11.72%.

Step-by-step explanation:

We can use basic binomial distribution, which is given by the formula:

\displaystyle P(x) = {n \choose x}p^xq^{n-x}

Where <em>n</em> represent the number of trials, <em>x</em> represent the number of successes desired, <em>p</em> represent the chance of success, and <em>q</em> represent the chance of failure.

Since we are flipping a coin 10 times, we are conducting 10 trials. So, <em>n</em> = 10.

We want to probability that it lands on heads exactly 7 out of 10 times. So, the number of desired successes <em>x</em> is 7.

The probability of success <em>p</em> is 1/2.

And the probability of failure <em>q</em> is also 1/2.

Substituting:

\displaystyle P(7)={10 \choose 7}\left(\frac{1}{2}\right)^7\left(\frac{1}{2}\right)^3=120\left(\frac{1}{2}\right)^{10}=\frac{120}{1024}=\frac{15}{128}\approx0.1172

The probability of flipping a coin 10 times and it landing on heads exactly seven times is about 0.1172 or 11.72%.

8 0
3 years ago
one number has 4 thousands, 12 hundreds, and 0 tens. Another number has 4 thousands, 6 hundreds, and 5 tens. Which choice correc
IRISSAK [1]
You will use this information to create the numerical (standard form) value of each.

4 thousands, 12 hundreds (1 thousand and 2 hundred) =  5200
4 thousands, 6 hundreds, 5 tens =  4650

5200 is greater than 4650.
4 0
3 years ago
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