One megametre is equal to 1000000 metres. Therefore, 150 megametres is equal to 150 x 1000000 = 150000000 metres.
780,000,000
?
150000
300000 x 500 = 150000000
1000000000000
1000000 × 500 = 500,000,000 Five hundred million
150000000 x 50000 = 7500000000000
4666.6667
1000000
2000 x 1000000 = 2000000000
1000000 x 15 = 15000000