What is 8.3*10^4 in standard notation

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false