<u>Answer:</u>
B. He multiplied the dividend by 100 instead of 10.
<u>Step-by-step explanation:</u>
Chen had to divide 
by 
. To make it easier to divide, he thought of multiplying both the dividend and the divisor by 10.
Chen multiplied the divisor by 10 but mistakenly multiplied the dividend by 100 instead of 10.
So his whole division problem was changed.
Therefore, the correct answer option is B. He multiplied the dividend by 100 instead of 10.
Answer:
The side length is 9 m
Step-by-step explanation:
The area of a square is given by
A = s^2
81 = s^2
Take the square root of each side
sqrt(81) = sqrt(s^2)
9 =s
The side length is 9 m
Y = 2^x
For a 64 team tounament, 64 = 2^6, so there will be six rounds of play.
For a 128 team tounarment, 128 = 2^7, so there will be 7 rounds of play.
Any number of teams which is not a power of 2 is an inappropriate number of team for tounament play.
Answer:
2( 2x - y ) -4( x - y ) +3y
4x - 2y - 4x + 4y + 3y
-2y + 4y + 3y
-2y +7y
5y
Answer:
The number of brownies in each batch is less than 8.
Step-by-step explanation:
Baked batches of brownies = 2.5
Number of burned brownies = 5
Number of brownies left is less than 15
So, the total number of brownies is less than 15 + 5 = 20
Number of brownies in each batch is
n < 20/2.5
n < 8
So, the number of brownies in each batch is less than 8.
