A culture started with 5000 bacteria after four hours a group to 6000 bacteria predict how many bacteria will be present after 17 hours round your answer to the nearest whole number

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2

Explain how to convert measurements in the metric system

Me with these questions , i don’t understand scientific notation!