Question

-0,4*(-10)^4+3*(-10)^2-98

Answer 1

-0,4*(-10)⁴+3*(-10)²-98=0,4*10⁴+3*10²-98=-0,4*10⁴+3*100-98=-0,4*10⁴+300-98=-0,4*10000+202=-4000+202=-3798

Answer 2

-4,000+300-98=-3, 798