Step-by-step explanation:
multiply 455 by 0.20
convert percentage to decimal
20% = 0.20 ( multiply by 10^-2)
why does this work?
convert to a fraction
20/100 ( this is also how you get decimal)
simplify 20/100 = 1/5
so multiplying 455 by 0.20 is the same as dividing by 5
The answer is D because 540 times 0.08 is indeed, 43.2 or simplified 43.20
To solve this, look for some factors which could go into the number. Since it ends in a 0, the number 10 is a factor. Since 990 is the product of these factors (meaning they are multiplied together) you can divide out the 10, since division is the opposite of multiplication. This leaves you with the number 99. You can repeat this same process again, realizing that 9 must be a factor of 99 because both digits are 9. If you divide out the 9, this leaves you with 11.
Thus, we know 9*10*11 equals 990. Also, these numbers are consecutive because they increase by 1 each time.
The sum of the numbers is 9+10+11, whicj Iis 30.
ANSWER: 30
Well I really don’t know but good luck w this I hope you pass school is so stressful
