Find the average of first 10 multiples of 7
Find the average of first 10 multiples of 7
Explanation
1+2+3+4+5+6+7+8+9+10 = 55 multiply by 7 = 55x7 = 385 as 10 units so divide by 10 to find averages value= 385/10=38.5.
1+2+3+4+5+6+7+8+9+10 = 55 multiply by 7 = 55x7 = 385 as 10 units so divide by 10 to find averages value= 385/10=38.5.