1.3 Display Binary Numbers (using variables as an operator)

Scratch solution

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This is just one of many possible solutions:

when green flag clicked
set [number of dots v] to [1]
say (number of dots) for (1) secs
set [number of dots v] to ((number of dots) * (2))
say (number of dots) for (1) secs
set [number of dots v] to ((number of dots) * (2))
say (number of dots) for (1) secs
set [number of dots v] to ((number of dots) * (2))
say (number of dots) for (1) secs
set [number of dots v] to ((number of dots) * (2))
say (number of dots) for (1) secs

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Extra Challenge

Display the numbers from largest to smallest (display the numbers 16, 8, 4, 2 and 1).