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3 years ago

Express this number in scientific notation. 31 billion

Mathematics

1 answer:

Nadusha1986 [10]3 years ago

4 0

Answer:

3.1 * 10^10

Step-by-step explanation:

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There are 2.54 cm in 1 inch. There are a hundred cm in 1 meter. To the nearest meter how many meters are there in 279 inches?

jeka94

Answer:

Multiply total meters by 100 to get total centimeters:

6 meters x 100 = 600 centimeters.

Now divide total centimeters by 2.554 to get total inches:

600 centimeters / 2.54 = 236.22 inches.

Rounded to the nearest inch = 236 inches.

Step-by-step explanation:

5 0

3 years ago

Help me please someone

d1i1m1o1n [39]

The answer for this question is A

4 0

3 years ago

Read 2 more answers

The low temperature was 35 f. This was 13 f lower than the daytime high temperature. Write an equaton to determin wheter the hig

alina1380 [7]

If x is the high temperature, you can write the following equation:
x = 35°F + 13°F

Which simplifies to:
x = 48°F

3 0

4 years ago

Assume that a procedure yeilds a binomial with n trial and the probability of success for one trial is p. Use the given values o

Alexeev081 [22]

The value of minimum usual value is, $\mu-2\sigma=-119.2$

The value of maximum usual value is, $\mu+2\sigma=1311.2$

Given the values of the parameters of Binomial Distribution are,

Total number of trials (n) = 1490

probability of success in one trial is (p) = 2/5

The probability of failure in on trial is given by,

$q=1-p=1-\frac{2}{5}=\frac{5-2}{5}=\frac{3}{5}$

For Binomial distribution we know that,

Mean $(\mu)=np=1490\times\frac{2}{5}=596$

and Standard Deviation $(\sigma)=\sqrt{npq}=\sqrt{1490\times\frac{2}{5}\times\frac{3}{5}}=357.6$

Now, calculating the required measurement we get,

The minimum usual value is given by,

Mean -2 Standard Deviation $=\mu-2\sigma=596-2\times357.6=-119.2$

The maximum usual value is given by,

Mean + 2 Standard Deviation $=\mu+2\sigma=596+2\times357.6=1311.2$

Hence the minimum and maximum usual values are -119.2 and 1311.2 respectively.

Learn more about Binomial Distribution here -

brainly.com/question/15246027

#SPJ10

4 0

3 years ago

The attendance at the school concert was 578. Admission was $2.00 for adults and $1.50 for students. The receipts were $985.00.

agasfer [191]

2x + 1.5 y = 985
y = students
x = adults
x + y = 578
*-2 * -2
-2x - 2y = -1156

2x + 1.5y = 958
-2x - 2y = -1156 (add these together)

-0.5 y = -198
*-2 *-2
y = 396
x + 396 = 578
x = 182
396 students
182 adults

5 0

3 years ago