4 years ago

How many 9 digit combinations with 10 numbers?

1 answer:

3 0

<span>There are 1 billion 9 digit numbers (000,000,000 through 999,999,999). There are 45 different combinations of two different numerals (10 x 9 divided by 2). There are 512 (2 to the 9th power) different permutations for any two numbers to be used in a 9 digit number</span>

You might be interested in

First question, Deangelo babysits for his neighbor. Over a two week long time, he babysits 3.8 hours the first week and 5.25 hou

weeeeeb [17]

Don't you just add, though?

3.8 + 5.25 = 9.05 hours?

7 0

3 years ago

Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.

Snowcat [4.5K]

The answers 4, hope it helps

3 0

3 years ago

Read 2 more answers

raphael went to the store and bought 2.88 pounds of chicken for $7.00 what was the cost per pound of chicken round to the neares

svetlana [45]

Answer:

2.43

Step-by-step explanation:7.00 / 2.88 rounded to the nearest tenth (cents) is 2.43

6 0

3 years ago

These are the means and standard deviations for samples of prices from two

marysya [2.9K]

Its Letter B!!!!!!!!!!!!

7 0

2 years ago

The odds of flipping a fair coin either heads or tails is 50%. The odds of rolling a six on a fair six sided die is 16.6% or 1 i

creativ13 [48]

Answer:

P( sum is prime )= 73/216

Step-by-step explanation:

The minimum value of the sum will be 3 and maximum value will be 18. So the prime numbers in this range are 3 , 5, 7, 11, 13, 17.

P(sum=3)=1/216, P(sum=5)=6/216, P(sum=7)=15/216, P(sum=11)=27/216, P(sum=13)=21/216, P(sum=17)=3/216.

The final probability will be sum of the above given probabilities.

Hence P( sum is prime )= 73/216

8 0

3 years ago