what are two word form for the 15+0.1+0.003
No. It can be a verb form, and also an adjective. There is no adverb form.
No it is not. Largest is an adjective. The adverb form is largely.
The plural noun of the word parenthesis is parentheses.
alleys
one quadrillion
The result of multiplying 999999999999999 by 3 is 2,999,999,999,999,997.
Assuming your number line is infinite, then it is: n > 999999999999999 where n = 1000000000000000, 1000000000000001, 1000000000000002, ... and so on. If your number line is finite, then it is: 999999999999999 < n
1,000,000,000,000,000
999999999999999
1000000000000000
1,000,000,000,000,000
1,000,000,000,000,000
One quadrillion.
99999999999999
999999999999999
99,999,999,999,999 + 999,999,999,999,999 = 1,099,999,999,999,998