Question

22cm等于多少m等于多少km 6乘10的5次方nm等于多少cm等于多少dm 40mm等于多少m

22cm等于多少m等于多少km 6乘10的5次方nm等于多少cm等于多少dm 40mm等于多少m等于多少km

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Answer 1

22 cm = 0.22 m = 2.2×10^-4 km
6×10^5nm = 0.06 cm = 0.006 dm
40 mm = 0.04 m = 4×10^-5 km