Method to calculate (1.05) · (2.8). You can use the fact that 105 - 28 = 2,940.
Use Priya's method to calculate (0.0015) - (0.024).

Adriano loves anime and collects toys from his favorite series.each month he gains 4 toys. if adriano has 3 toys when he starts collecting, how many does he have after 4 months

How do you use the elimination method for this question? explain, because i really want to understand!

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?