How to divide 0.4 ÷0.3
2 answers:
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<h2>Hello!</h2>
The answer is:
a) Her reasoning is incorrect, she applied a wrong operation, the way to simplify the expression was using the square root property. If we want to extract a number of a square root, we must square that number first in order not to modify the expression.
b) We have that:
and rounding to the nearest tenth, we have that:
To solve the problem, we need to remember the following property of square roots:
We are given the expression:
We can rewrite it by the following way:
Now, applying the square root property we have:
Therefore,
a) Her reasoning was wrong, she applied a wrong operation, the way to simplify the expression was using the square root property. If we want to extract a number of a square root, we must square that number first in order not to modify the expression.
b) We have that:
and rounding to the nearest tenth, we have that:
Have a nice day!