400 multiplied by 8 is 3,200
80 multiplied by 15 is 1200.
88,400,000,000
400%
It is 100*(400/80) = 500%
40
I suggest 80 * 410 = 80 * 400 + 80 * 10 = 32000 + 800 = 32800.
80
400 multiplied by 20 is 8,000
400 multiplied by 8 is 3,200
80 multiplied by 15 is 1200.
88,400,000,000
20000 + 6000 + 400 + 80 + 920000 + 6000 + 400 + 80 + 920000 + 6000 + 400 + 80 + 920000 + 6000 + 400 + 80 + 9
90,000 multiplied by 400 is 36,000,000.
2,400 multiplied by 400 is 960,000.
150 multiplied by 400 is 60,000.
Oh, dude, 400 times pi? That's like 1256.63706144. But who's counting, right? Just remember, pi goes on forever, so technically, that answer goes on forever too. Math, man, it's wild.