Can you convert the number zero(0) into a positive number using just one mathematical operator ?

On the occasion of Diwali, online seller companies in India are offering a big discount on Iphone14 as below.

: Flipkart offers a Flat 65% discount
: Amazon offers a 10% discount over and over again.
: Shopclues offers RS.45,000 off.

If the original cost of the iPhone is Rs.70,000 Which is the best offer for you?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What can you hold in your right hand, but never in your left hand?

I taste better than I can smell. Who am I?

What demands an answer, but asks no questions

Bay of Bengal is in which state?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

What does this simple rebus mean?