Quantos algarismos esse número possui?? Quantas classes?? E quantas ordens??
Qual classe mais elevada?? E a ordem??
Qual e o algarismo da unidade de milhar??
Quantas unidades vale??
Que algarismo representa a 3 ordem??
Quantas unidades vale??

Me ajude me pra ontem

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?