280...round each number to the nearest whole number (27.8=28 and 9.8=10) then multiply and you will get 280
Answer:
1/3
Step-by-step explanation:
Half of two of something would be only one of that something. In this case the something is 1/3 so our answer is 1/3.
Answer:
88
Step-by-step explanation:
Write the expression for the sum in the relation you want.
Sn = u1(r^n -1)/(r -1) = 2.1(1.06^n -1)/(1.06 -1)
Sn = (2.1/0.06)(1.06^n -1) = 35(1.06^n -1)
The relation we want is ...
Sn > 5543
35(1.06^n -1) > 5543 . . . . substitute for Sn
1.06^n -1 > 5543/35 . . . . divide by 35
1.06^n > 5578/35 . . . . . . add 1
n·log(1.06) > log(5578/35) . . . take the log
n > 87.03 . . . . . . . . . . . . . . divide by the coefficient of n
The least value of n such that Sn > 5543 is 88.
Answer:473040000
Step-by-step explanation:
Because there is 31,536,000 second in one year so 31,536,000×15=473,040,000
Answer:
40
Step-by-step explanation:
200 divided by 40 is 5
240 divided by 40 is 6