Mike completes 2/3 of a work in 25 1/2 hours. How many hours does he need to finish the whole work?

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics