The sum of the given two numbers with regard to significant figures is

1.	The sum of the given two numbers with regard to significant figures is (5.0 xx 10^(-8) ) + (4.5 xx 10^(-6) )=
Answer» <html><body><p>`<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>.55 <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> <a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>^(-<a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a>)`<br/>`4.5 xx 10^(-6)`<br/>`4.6 xx 10^(-6)`<br/>`4 xx 10^(-6)`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :C</body></html>

The sum of the given two numbers with regard to significant figures is (5.0 xx 10^(-8) ) + (4.5 xx 10^(-6) )=