Question

please answer this: evaluate (995)^2​

Answer 1

Answer:

990025

Step-by-step explanation:

heya!!!

if you want to calculate square of no.s ending with 5 just use the following trick

1)write 25 in the answer everytime if the no. is ending with 5 only

2)increase the digit other then 5 by 1 and multiply by orignal digit

ex.(25)²=625

so the answer of (995)² is

99×(99+1)=9900

so the answer is 990025

hope it helps

Answer 2

Answer:

We just need to expand 995 as (990+5)²

Step-by-step explanation:

Using the identity, (a+b)²= a²+b²+2ab

we can solve this.