簡約 999.9999800000000…(8.6*10^{-3})

解

簡約

999.9999800000000 \dots (8.6 \cdot 1 0^{- 3})

8.59999 \dots

解答ステップ

999.99998 (8.6 \cdot 1 0^{- 3})

1 0^{- 3} = \frac{1}{1000}

= 999.99998 \cdot 8.6 \cdot \frac{1}{1000}

8.6 \cdot \frac{1}{1000} = \frac{8.6}{1000}

= 999.99998 \cdot \frac{8.6}{1000}

数を割る:

\frac{8.6}{1000} = 0.0086

= 999.99998 \cdot 0.0086

数を乗じる:

999.99998 \cdot 0.0086 = 8.59999 \dots

= 8.59999 \dots