0.06km=______ nm=______mm 0.25h...

Question

0.06km=______ nm=______mm 0.25h=______min=______s．

Answer 1

①0.06km=0.06×10¹²nm=6×10¹⁰nm；0.06km=0.06×10⁶mm=6×10⁴mm；
②0.25h=0.25×60min=15min；0.25h=0.25×3600s=900s．
故答案为：6×10¹⁰；6×10⁴；15；900．