Expressed in figures, this is equal to 8,100,000.
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80+1= 81
81 = 8.1 x 101
81,000,000,000,000
81 = 92 or 8.1 × 101
Three ways of writing 81 with exponents are: 92, 34, and 32 X 32.You could also write it as 8.1 x101.