To evaluate the expression, substitute S=7:
720 - 10(7^2)
Solving the exponent first:
720 - 10(49)
Now perform the multiplication:
720 - 490
Finally, subtract:
= 230 in.²
Robert will have 230 square inches of space left for his presentation.
Robert is preparing a posterboard presentation. He wants to make a decorative pattern with 10 squares to fill part of the poster. The area of the poster board is 720 in.² to find how much space Robert will have left for his presentation if he uses squares with 7 inch sides Evaluate 720-10S small two on top when S equals seven.
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