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How many strings of 3 decimal digits do not contain the same 3 digits?
How many strings of three digits are there? 000 to 999, or a total of 1000. How many strings of three digits contain the same three digits? That's 000, 111, 222 ... 999! ten in total. The difference is your answer: 1000-10 = 990.
How many eight-bits strings have at least one 1?
There are 256 bytes (8-bit strings), corresponding to the decimal numberszero through 255.Only the byte representing zero is composed of all zeros. All of the remaining255 bytes have at least one ' 1 '.
How many full-length hairs from all area of the scalp are needed to ensure a representative sampling of head hair?
100
What is the probability that you get a 2 on both the spinner or the number cube?
The answer depends on how many numbers are on the spinner.
How many five digits numbers can be formed using 01234 without repetition assuming that number cannot begin with 0?
There are 4*4*3*2*1 = 96 such numbers.
How many bit strings of length 10 both begin and end with a1?
To find the number of bit strings of length 10 that begin and end with "1", we fix the first and last bits as "1". This leaves us with 8 bits in the middle, which can each be either "0" or "1". Therefore, there are (2^8 = 256) different combinations for the 8 middle bits. Thus, there are 256 bit strings of length 10 that begin and end with "1".
In a bit string length 12 How many begin with 110?
You are essentially asking how many different bit strings of length 9 are there, as the first 3 bits are fixed. The answer is 2^9 = 512.
How many bit strings of length 10 both begin and end with one?
Since there are 8 bits in between, and they can assume any of the two values (0 or 1), that results in a total of 28 different combinations.
How many bit strings of length 8 are there which begin with a 0 and end with a 0?
-- There are 256 bit strings of length 8 . -- There are 4 bit strings of length 2, and you've restricted 2 of the 8 bits to 1 of those 4 . -- So you've restricted the whole byte to 1/4 of its possible values = 64 of them.
How many bit strings are there of length eight?
Every bit can either be a 0 or 1. So to find the amount of bit strings of length either, you do 2length to find the amount of bit strings there are of a given length.
How many bit strings of length 10 have?
1024
How many bit strings of length 5 are there?
There are (2^5) bit strings of length 5, as each bit can be either 0 or 1. Therefore, the total number of bit strings is (32).
How many bit strings are there of length ten?
210=1024
How many bit strings of length 8 ends with a 0?
Half of them.
How many strings does a parachute?
A parachute needs four strings. However, redundancy is best, both for safety and control of the chute. Thus, 16 striings is better, 32 even moreso. Washers around groups of strings cuts down on the likelihood of entanglement. The length of the strings matters, as well (and so does the diameter of the parachute).
How many strings of length 0 that start with 1 bit or end with 2 bits are possible?
There are no zero-length strings that start with 1 bit or end with 2 bits. In a zero-length string, there are no bits at all.
How many bit strings of length 8 contain either three consecutive 0s or four consecutive 1s?
Five (5) have one or the other but not both. Six (6) have both. Total of eleven (11).
