Answer:28
Step-by-step explanation: 6.4x6.4 = 40.96
3.6x3.6=12.96
To evaluate the expression (6.4)² - (3.6)², square each of the numbers and then subtract the square of 3.6 from the square of 6.4 to give a result of 28.
The question asked is mathematics related and it requires to evaluate an expression: (6.4)² - (3.6)². This is a simple arithmetic problem that involves squaring numbers and subtraction.
Firstly, squaring a number means multiplying the number by itself. Hence, (6.4)² equals to 6.4 * 6.4 which gives 40.96. Similarly, (3.6)² equals to 3.6 * 3.6 which gives 12.96.
Then, subtract the squared number of 3.6 from the squared number of 6.4. That is: 40.96 - 12.96, and you'll have your answer, which is 28.
#SPJ11
Answer:
0.5 and .
Step-by-step explanation:
Given : 50%.
To find : change 50% to a decimal, then a fraction.
Solution : We have given Number 50 %
In decimal form
We can convert percentage in to decimal by dividing by 100.
50% = .
0.5
50% = 0.5.
In fraction form :
.
On dividing both number by 50
.
Therefore, 0.5 and .