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How many 2's are there between 200-300?
100 2s for the hundreds digit of 200-30010 2s for the tens digit of 220-23010 2s for the ones digit of 200-300________________________________120 '2s'
How many 5 digit combinations are there from 1-20?
To find the number of 5-digit combinations from 1 to 20, we first calculate the total number of options for each digit position. Since the range is from 1 to 20, there are 20 options for the first digit, 20 options for the second digit, and so on. Therefore, the total number of 5-digit combinations is calculated by multiplying these options together: 20 x 20 x 20 x 20 x 20 = 3,200,000 combinations.
What is the value of the digit 2 in 28?
In the number 28, the digit 2 holds a place value of 20, as it is in the tens place. This means that the value of the digit 2 is 20 times the place value, which is 2 x 10 = 20. Therefore, the value of the digit 2 in the number 28 is 20.
What is the answer to three hundred and twenty-six to the nearest ten?
Since you are rounding to the nearest ten, look at the digit to the right of that (the ones place, which has a 6). If the ones digit is (0-4) then the tens digit stays the same; if the ones digit is (5-9), then round tens digit up one number. Then set the ones digit (and any other digits to the right of that) to zero. Six is (5-9), so round the 2 up to 3, and set digits to the right (only the 6 in this case) to zero. 330 is the new rounded number.
What is the units digit of 2 to the 48th power?
Expressed in numerical form, 248 = 281474976710656 - the units digit is therefore 6. With the exception of 20 = 1. the units digit of successive powers of 2 runs 2, 4, 8, 6... continuously - therefore, an exponent which is a multiple of 4 will have a units digit of 6.
