Table of Contents
What is the digit in the unit place of 3 99?
The powers of 3 have low-order digits 3, 9, 7, 1, 3, 9, 7, 1, 3, and so on. This cycle length is 4. Since 99 = 4*24 + 3, the low-order digit of 3^99 is 7.
How do you find the digits of 3 99?
Detailed Solution
- Given: 399
- Concept Used: Unit digit of 3n 31 unit digit 3. 32 unit digit 9. 33 unit digit 7. 34 unit digit 1. 35 unit digit 3…
- Calculation: ⇒ 399 = (34)24 × (33) ⇒ 399 = (1)24 × 7 = (1) × 7. Unit place = 1 × 7 = 7. ∴ The place of 399 is 7. Download Soln PDF. Share on Whatsapp.
How do you find the unit place?
Units digit of a number is the digit in the one’s place of the number. i.e It is the rightmost digit of the number. For example, the units digit of 243 is 3, the units digit of 39 is 9.
Which is the digit in the unit place of 2 100?
Hence the units digit of 2^100= 6.
What is the last digit of 3 Power 50?
(3-5.) The last three digits of 3^(50) will be (1)249.
What is the unit digit in 264 102?
Therefore, the unit digit in (264)102 + (264)103 is 6 + 4 = 10 i.e. 0.
What is the unit digit in 7 105?
Now, divide the power, i.e. 105 by 4. 105/4 gives the quotient 26 and remainder 1. So, the required unit digit will be the unit digit of 71. This will be 7.
What is the digit in the unit place of 2 51?
What is the digit in the unit’s place of 251? Last digit of any number shows a definite pattern. So, the digit in unit’s place is 8. The correct option is D.
What is the unit digit in 795 358?
This implies the unit digit of 7⁹⁵ is 3 . Second number in the series is 9. Hope this helps ! Thanks !
How do you find the unit place of a number?
If the unit place ( Last digit ) of any number “ An ” having 2, 3, 7 or 8, then the unit place of that number depends upon the value of power “ n” and follows If the unit place ( Last digit ) of any number “ An ” having 4 & 9 then the unit place of that number depends upon the value of power “ n” and follows
What is the unit digit in 3 4?
52/4 the remainder is 0. So answer is unit digit in 3 4 is 1. We know that a number is divisible by 4 if the number formed the last two digits is divisible by 4. Find out the unit digit in 439 × 978?
What is the place value of a number calculator?
Place Value of a Number Calculator. Place value is defined as the numerical value or the position of a digit in a number series. The place values are ones, tens, hundreds, thousands, ten thousands, hundred thousands and millions respectively.
How do you find the unit rate in math?
A unit rate is a rate with 1 in the denominator. If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator. Ryan purchased 3 apples for $1.80.