How do you measure a number to the nearest cm, m or km? can someone explain to me?

Let's take its 1. 44437km...

Take the first no. If it's less than 5 round down so it's only 1km

If it's 1. 7km round up

Then it's 2km

the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation:

i think the amount would be $140.62