Penny Pincher's Icy Boost Blocks

Difficulty: Medium

Observe the animation below. Notice the symbols on Penny's icy boost blocks as she solidifies parts of the air to help Derek Cyannus Jr. thru the short obstacle course. After 4 boost blocks, the symbol pattern repeats back to the 1st one. A 5th boost block causes the 1st one to vaporize back to air automatically!

Note: If you want to hear the sound, you can see the audible version of this animation on the Mini-Animations Page!

Penny's icy boost blocks are 2 feet high, 4 feet wide & 4 feet thick. (Unless she tries to solidify a tight space!)

Note: Not quite drawn to scale.

Now for some questions:

What is the appearance order of the currency symbols on Penny's icy boost blocks?
What is the volume of a single icy boost block?
What is the surface area of a single icy boost block?

Give up? Click here for the answer!

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