Arjun used the commutative property to simplify this expression with mixed numbers. 5 5/6 + 2 2/3 + -1/6 - 2 2/3

5 5/6 + (-1/6) + 2 2/3 + (-2 2/3)

whats the final answer ?

A. 4

B. 5 2/3

C. 6

D. 6 2/3

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!