help po please let me know your answer

800

a.8×10^-3
b.8×10^-2
c.8×10^3
d.8×10^2

0.00038

a.38×10^5
b.3.8×10^-4
c.3.8×10^4
d.38×10^-5​


Help Po Please Let Me Know Your Answer 800a8103b8102c8103d8102000038a38105b38104c38104d38105 class=