Use mental math to simplify.
20 • 7 • 5
700
500
450
650
The mental math calculation is:
20 • 7 • 5 = 140 • 5 = 700
To simplify the expression 20 • 7 • 5 using mental math, you can follow these steps:
Step 1: Multiply 20 by 7.
20 • 7 = 140.
Step 2: Multiply the result by 5.
140 • 5 = 700.
Therefore, the simplified expression is 700.
To simplify the equation 20 • 7 • 5 using mental math, you can follow these steps:
1. Start by multiplying 20 by 7: 20 • 7 = 140.
2. Next, multiply the resulting value by 5: 140 • 5 = 700.
So, the simplified answer to the equation 20 • 7 • 5 is 700.