Add: 5/100+3/10a) 8/10b) 8/100c) 35/100d)53/100

Anyone know? is appreciated! will mark brainliest if correct!

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

10% of 1,900,000. show me how you got the answer