CBSE Class 8 Answered
What will be the unit's digit in the square of the following numbers? (i) 123 (ii) 4577 (iii) 4578
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
We know that if a number has its unit"s place digit as a, then its square will end with the unit digit of the multiplication a x a.
(i) Unit's digit of 123 is 3, whose square is 9.
Hence, the unit's digit in the square of 123 is 9.
(ii) Unit's digit of 4577 is 7, whose square is 49.
Hence, the unit's digit in the square of 4577 is 9.
(iii) Unit's digit of 4578 is 8, whose square is 64.
Hence, the unit's digit in the square of 4578 is 4.
Answered by | 04 Jun, 2014, 03:23: PM
Application Videos
-
Pythagorean Triplets
This video explains the concept of Pythagorean Triples.
Concept Videos
-
Square and Triangular Numbers
square numbers, properties of square numbers,triangular numbers, addition...
CBSE 8 - Maths
Asked by ekamgabbi630 | 14 Jul, 2023, 06:58: AM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Jainrajni25 | 14 Jun, 2019, 02:56: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by yadavbrajkishore678 | 28 Dec, 2018, 12:29: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 19 Feb, 2014, 01:30: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERTCBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
