Question 1156952
 (3.4 X 10^6) ( 5.6 X 10^4)

{{{3.4*10^6*5.6*10^4}}}

{{{3.4*5.6*10^6*10^4}}}

{{{19.04*10^10}}}

{{{1.904*10^11}}}

{{{highlight(1.9*10^11)}}},{{{only}}}{{{allow}}}{{{two}}}{{{significantfigures}}}