405 = 9 x 45
Yes 400 is a multiple of 4 as 100 x 4 = 400
No, 1900 is not a multiple of 400. The multiples of 400 are 400, 800, 1200, 1600, 2000, 2400, ...
400 is one such multiple.
The Least Common Multiple (LCM) for 250 400 is 2,000.
No. 8 is a factor of 400. 400 is a multiple of 8.
No.
8400
LCM(16, 25, 40) = 400
400 times 9 is 3600!
9 percent of 400 is 36.
Percent means "out of 100" → 9 % of $400 = 9/100 x $400 = $36