Answer:542,000Step-by-step explanation:5 - hundred thousands4 - ten thousands1 - thousands5 - hundreds0 - tens9 - onesrules:Find the desired place value.Look at the number to the right.If that number is 4 or less, round down. If it is 5 or higher, round up.Change the numbers to the right of the desired place value to zero.
Answer:1. four arithmetic means between - 5 and 20