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What is the ones digit in 7 to the 50th power?
9
What is the one's digit of 7 to the 2015th power Explain the steps you took to reach your answer.?
It is a 3. Look at the ones digit of successive powers of 7; this need only be done by considering the multiplication of the ones digit of the previous power of 7 by 7 (as this is the only calculation that affects the ones digit as each successive power of 7 is the previous power multiplied by 7) and taking the result modulus 10 (to extract the new ones digit as any excess over 9 is carried into the tens column): 7¹ → 7 mod 10 = 7 7² → (7×7) mod 10 = 9 7³ → (9×7) mod 10 = 3 7⁴ → (3×7) mod 10 = 1 7⁵ → (1×7) mod 10 = 7 At this point the pattern of the ones digit will obviously repeat the sequence of the four digits {7, 9, 3, 1}. To find the ones digit of any power of 7, take that power modulus 4 use that digit from the four digit sequence. Note that when taking the number modulus 4, the result will be in the range 0-3; when the result is 0, use the 4th digit from the sequence. 2015 mod 4 = 3 → the third digit of {7, 9, 3, 1}, which is 3, will be the ones digit of 7²⁰¹⁵.
If you compute 7 to the 100 power what digit will be in the ones place?
Seven to the 100 power equals 700. In the ones place there would be the number zero.
What is the value of the ones digit in 27?
The value of the ones digit in 27 is 7.
What is the ones digit in the number 32047?
It is the digit 7 that is in the ones or units place
What digit is in the ones place of the following number 517.8705?
The digit in the ones place is 7.
What does the digit 7 represent in 167.38?
It represents 7 units.
What is the value of the digit 7 in 27.002?
7 ones
What is the value of digit 7 in 28467.089?
ones
What is the value of the digit 7 in 7.089?
Seven ones
What is the tens digit in 7 to the 2011th power?
71 = 7 72= 49 73 = 343 74 = 2401 75 = 16807 76 = 117649 The last two digits cycle after each exponent multiple of 4. As 2011 = (4 x 502) + 3, then the tens digit in 72011 is the same as the tens digit in 73.......which is 4.
What digit is in the ones place 127.869?
The digit in the ones place of the number 127.869 is 7. The ones place is the integer part of the number immediately to the left of the decimal point. In this case, the number before the decimal is 127, and the last digit of this integer portion is 7.
