Jawabanmu

2014-02-02T22:13:20+07:00
 \frac{1}{15000000} *  \frac{23,4}{x} =x= 351 000 000 km

B. \frac{1}{15000000} =  \frac{x}{2310000000}= 
= x =  \frac{231000000}{15000000}
= 15,4 cm

ohh ralat,,itu 351 000 000 cm/ 351 km