The centi- (c) prefix means 1/100 = 10⁻² The nano- (n) prefix means 1/1000000000 = 10⁻⁹ → 1 nm = 10⁻⁹ m → 1 cm = 10⁻² m → 7.03 cm = 7.03 ...
確定! 回上一頁