Charlie wants a new pair of shoes that cost $40 his mom paid 75% of the cost and Charlie pays 25% how much did each pay
1 answer:
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First, you are going to want to get the terms to the same power of 10 in scientific notation. Realize that . Essentially, we have converted the
to a term with
. Now, we can subtract the values in each term that are not 10 as shown below:
Remember that we have to turn it back to scientific notation once we are done!
Our answer is the second choice, . (This is the closest answer to
.)
In order to solve this exercise you need to remember the following symbols in Inequalities:
1. The meaning of this symbol is "Greater than":
2. The meaning of this one is "Less than":
3. The following symbol means "Less than or equal to":
4. And this one means "Greater than or equal to":
Knowing the above, you can determine that the statement "c is less than 6", can be written as the following inequality:
The answer is: