0.00000327 what is the proper scientific notation of this number?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Prove that 16^4-2^13-4^5 is divisible by 11.