Compute: `(30 !)/(28 !)`

Compute: (i) (10!)/((7!)xx(3!))" " (ii) (30!)/(28!)" " (iii) (11!-10!)/(9!)

1.Compute the following (30!)/(28!),(11!-10!)/(9!),LCM(6!,7!,8!)

Computer sin 75^(@) , cos 75^(@) and tan 15 ^(@), from the functions of 30^(@) and 45 ^(@)

Find the value of ""^(6) C _3 and ""^(30)C_(28)

Compute each of the following: 70+(-20)+(-30)

Compute each of the following: 30+(-25)+(-10)

Compute the mass in grams for each of the following: 3.0 mol of NH_(3)

Three students use a computer for a total of 3 hours. If the first students uses the computer 28% of the total time, and the second student uses the computer 52% of the total time, how many minutes does the third student use the computer?

Prove that (2^(30)+2^(29)+2^(28))/(2^(31)+2^(30)-2^(29))=(7)/(10)