Round 2.17575968717 to the nearest millionth

2.1758

Step-by-step explanation:

Millionth is the fourth decimal unit.  0. 0 0 0 1

In the number 2.17575968717, the millionth place is 2.175 7 5968717

Check the number next to it. If it's 5 or more then add the underlined number by 1. If not then leave it as it is.

Here,

175 7 5

5 is following 7 and 5 is considered more so add 1 to 7.

175 8

Then put zeros (or not) following 8.

2.1758000000

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.