Use scientific notation to determine the answer :
1 answer:
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Answer:
DEF =77.4 inches I attached an answer sheet so you can know how to work out the problem
Answer:
396
Step-by-step explanation:
Okay, so first we will find the triangle area.
9 * 8 = 72/2 = 36.
Now multiply this by 11 (the width of the prism)
36 * 11 = 396