1st digit can be 1-9 which is 9 numbers
2nd digit can be 1-9 which is 9 numbers
3rd digit can be 4-7 which is 4 numbers.
Total combinations = 9 x 9 x 4 = 324
Because it is much easier to identify the place values when multiplying numbers. You can immediately sight the numbers to be multipied.
An example
10
x 5
___
0
Then
5 -0= 50
1 6/100
1 3/50 is your answer
hope this helps
Given:
The expression is
To find:
The simplified form of the given expression.
Solution:
We have,
It can be written as
Taking LCM, we get
Cancel out the common factors.
Therefore, the simplified form of the given expression is .
$8.40 x 35 hours= $294
35/5 = 7 hours a day
10pm - 7pm = 3pm
He comes to work at 3pm