The length of each square on the grid represents 1cm. The scale from the actual rectangle to the drawing is 24 in. to 1cm. Make
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<h3>Answer:</h3>
The square roots of any perfect squares under the radical can be factored out.
<u>Understanding:</u>
The sum of a geometric series is, , with a being the start point and r is the common ratio. We can also use the following formula to make life easier
, a is your start point, r is the common ratio, and n is the number of terms, which in our case is S7.
<u>Solution:</u>
Our start point is 1, ,
The common ratio is 5, ,
And finally, the number of terms is 7, .
The answer is [A] 19531.