What is 17,384,069 rounded to the nearest ten

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Write an expression to represent the perimeter 2a-3 , 3a+1 , 2a