4*8 = 32
800
270
The eighth multiple of 15= 120
32
40
The eighth multiple of 11 is 88, the ninth multiple is 99, and the tenth multiple is 110. These can be calculated by multiplying 11 by 8, 9, and 10, respectively.
To add 1 eighth and 4 fifths, first find a common denominator. The least common multiple of 8 and 5 is 40. Converting the fractions, 1 eighth becomes 5 fortieths, and 4 fifths becomes 32 fortieths. Adding these gives 5/40 + 32/40 = 37/40. Therefore, 1 eighth plus 4 fifths equals 37/40.
72
800 obviously
6
yes
It is the first digit 4 which represents 400,000,000