A student multiplied 2-9 and 2-9 as follows:2-9 # 2-9 =
Chapter 0, Problem 94(choose chapter or problem)
A student multiplied 2-9 and 2-9 as follows:2-9 # 2-9 = 2(-9)(-9) = 281 = 9 The instructor marked the problem incorrect. Why?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer