To get the echo of a positive integer, we write it twice in a row without a space. For example, the echo of 2022 is 20222022. Is
1 answer:
The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281.
<h3>What echo number is a perfect square</h3>
An <em>echo</em> number has a <em>perfect</em> square if its square root is also a <em>natural</em> number. After some iterations we found that <em>echo</em> number 20222022202220222022 is a <em>perfect</em> square:
The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281.
To learn more on natural numbers, we kindly invite to check this verified question: brainly.com/question/17429689
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The product if a-3 and -2a^2+15a+6b^2 is:
Step-by-step explanation:
In order to find the product of 2 expressions, distributive property can be used.
Given expressions are:
Product of given expressions
Combining like terms
Hence,
The product if a-3 and -2a^2+15a+6b^2 is:
Keywords: Expressions, product
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Given :-
To Find :-
- To solve the expression .
Solution :-
Given expression to us is ,
We know that ,
So our expression becomes ,
And , . Using this ,
Again using the same law ,
We know that , . Therefore ,
Simplify ,
This is the simplified expression.
<em>I </em><em>hope</em><em> this</em><em> helps</em><em>.</em>