7.158 * 10^9 rounds to 7 * 10^9
7 * 10^9 = 7,000,000,000
22 i think idk sorry if i’m wrong
Answer:
They're many numbers
Step-by-step explanation:
3.6, 3.7, 3.8, 3.9
<span>Let x = amt of water evaporated :.05(50) = .08(50-x) 2.5 = 4 - .08x .08x = 4 - 2.5 .08x = 1.5 x = 18.75 lb of water evaporated : ; Check; amt of salt remains the same, only the percentage is different, right? .05(50) = .08(50-18.75) .05(50) = .08(31.25) 2.5 = 2.5</span>
