2 digit by 1 digit multiplication 28x 3, 56x6, 71x5
2 answers:
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Equivalent expressions are expressions with same simplified form. Equivalent expressions for the given expression are;
- Expression 2:
- Expression 3:
- Expression 5:
Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.
To derive equivalent expressions of some expression, we can either make it look more complex or simple. Usually, we simplify it.
<h3>What is logarithm and some of its useful properties?</h3>When you raise a number with an exponent, there comes a result.
Lets say you get
Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows
Some properties of logarithm are:
Log with base e = 2.71828.... is written as simply.
The expression given is
We get its simplified form as
Simplifying given expressions:
- Expression 1:
This isn't same as simplified form of original
. Thus , this expression is not equivalent to the given expression.
- Expression 2:
This is same as simplified form of original expression. Thus , this expression is equivalent to the given expression.
- Expression 3:
This is same as simplified form of original expression. Thus , this expression is equivalent to the given expression.
- Expression 4:
This isn't same as simplified form of original expression. Thus , this expression is not equivalent to the given expression.
- Expression 5:
This is same as simplified form of original expression. Thus , this expression is equivalent to the given expression.
Thus, equivalent expressions for the given expression are;
- Expression 2:
- Expression 3:
- Expression 5:
Learn more about equivalent expressions here: