Answer:
-65/64
Step-by-step explanation:
1 5/8/(-1 3/5)
1 5/8=13/8
-1 3/5=-8/5
(13/8)/(-8/5)
(13/8)(-5/8)
-65/64
The two combinations of two-digit numbers we could have would be 79 and 97. The only one of those that would round to 100 is 97. If we added another digit to the number, it would be over 100. The very smallest three digit number we could have with these two numbers in it would be 179; that would not round to 100. That means 97 must be our number.
There may be more than one correct answer here.
Note that 48 cubic units is equivalent to (6 units)(8 units)(1 unit). Can you think of any other 3 dimensions whose product is 48 cubic units?