Please someone help me

Only the ODD questions please.

With #! i’ve tried to figure it out but i can’t.

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Ben and cam are scuba diving. ben is 15.815.8 meters below the surface of the water. cam is 4.24.2 meters above ben. what is cam's position relative to the surface of the water? choose 1 choose 1 (choice a) a 11.611.6 meters above the surface of the water (choice b) b 11.611.6 meters below the surface of the water (choice c) c 2020 meters above the surface of the water (choice d) d 20 meters below the surface of the water