Question

calculati:
a)(2,5×10⁻³)×(8,4×10⁴)
b)(4,5×10⁻²)×(1,5×10⁻³)
c)(3,6×10⁵)×[(2,4)⁻¹ × 10⁻²]
d)(6,4×10⁻⁴)÷(1,6×10⁻³)
Ajutatima va rog frumos urgent

Answer 1

a) (2,5x1000)x(8,4x10000)=
=2500x84000=
=210000000
b) (4,5x100)x(1,5x1000)
c) (3,6x1000)x(2,4x100)
d) (6,4x10000);(1,6x1000)