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73+9+9-9-9=73, that's one way i see it. I answered the question of writing 73 by adding all those numbers and by using four nines.

AnswerNoting that the value of 9 to the power zero equals 1, then using four nines we get:

73 = (9 x 9) - 9 + 9 0

= 81 - 9 + 1 = 73

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14y ago

What else can I help you with?