What's the number next?50400,7200,900,100

What's the number next?50400,7200,900,100 what's the next number? 五道英语智力测试题1.what is the next number?（ ）50400,7200,900,100?A.1 What's the next two number?40,24,26,12 796,432,579,643,( ) What's the next number? what is the next number what's the number Eight ,six,seven,five,six,four...What's the next number? What 's the next number?1 2 4 7 11 16 What’s the number of What number comes next What is the next number in this sequence?