Math, asked by sejal2467, 11 months ago

find the squares of the following numbers containing 5 in its unit's place ..
(i)45
(ii)305
(iii)525

Answers

Answered by bindusri1828

Answer:

45^2=2025

305^2=93025

525^2=275625

we can observe that squares of numbers having 5 in units place ends with 25

hope it helps you please mark it as brainliest and follow me

sejal2467: (a5)^ = a(a+1) hundreds +25

sejal2467: in this formula u have to solve the question

sejal2467: the way u r answering is also ryt but I want the Answer solved by this method

sejal2467: so try to solve in this way

Answered by brainly2364

Answer:

1.2025

2.93025

3.275625

Step-by-step explanation:

1.multiply the number on unit place so,

5×5=25

then add 1 to 4 then 5

then multiply 4 and 5 the front number is 20 and at the unit place we have 25

so, join the number

2025 is the answer.

45. unit place: 5. front:. 5

×45. ×5. ×4

______. 25. 20

2025

do same for the other.

Hope this will help you

Previous Question

Next Question