Answer:
9x10^7 is your scienctific notation, which is also 90000000 in expanded form
Answer:To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
Step-by-step explanation:
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Answer:
that will be 725.10 im not sure
Its the third and the fourth one
