the operation:

Gives a square number.
<h3>
How to get a perfect square?</h3>
A perfect square is the product of a number and itself.
As you can see in the example, 16 is a square number. Then let's try to get 16.
To get 16 we can use the difference:
20 - 4
So the first therm needs to be equal to 20, and the second equal to 4.
To write 20 in scientific notation we have:

To write 4 in in scientific notation:

Then the operation:

Gives a square number.
If you want to learn more about square numbers:
brainly.com/question/21694652
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Answer:
Square (top right), rectangle (middle bottom), and trapezoid (bottom right)
Step-by-step explanation:
The only one I'm not to sure about is the trapezoid, but you can rule out all the others because there is no right angle. Hope this helps!
Answer: 3.37 i think
Step-by-step explanation:
Answer:
x + 50 = 60
x = 60 - 50
× = 10
this is the answer . It just calculation.
Answer:
its A
Step-by-step explanation: