Aman eamed $3000 the first year he worked. if he received a raise of $400 at the end of each year, what was his salary during the 15th year?

Step-by-step explanation:

He has a raise of $400 at the end of each year, the we have to find how much is the total amount raised during the 15 years, then:

The during the 25 years he has a total raised of $6000 as the salary during the first years was $3000, the salary during the 15th year is:

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0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)