Im doin another give away for brainliest and points so here is my question the first one to answer is gettin brainliest <3 :Use rounding to estimate the product. Is your estimate an underestimate or an overestimate? 11.45 × 5

underestimate
overestimate

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters