It is: 475 minus 425 = 50
425 million in Scientific Notation = 4.25 x 1085.6 x 107
138 multiplied by 200 is 27,600
425,000,000
138,000,000
It is: 475 minus 425 = 50
1000 - 425 = 575
465
138,000,000,000,000 = 138 trillion
1.6 million minus 3 million is minus 1.4 million.
425 million in Scientific Notation = 4.25 x 1085.6 x 107
724 - 586 = 138
138 multiplied by 200 is 27,600
3 million minus 1.2 million leaves 1.8 million.
0.425
425,000,000
the land has separated and some have expanded over the 425 million year span