7.381 qnd -11
2.34 and 10
3.871 and 2
7.831 and -11
Correct answer is A
\(\frac{0.0001432}{1940000}\) = k x 10n
where 1 \(\leq\) k \(\leq\) 10 and n is a whole number. Using four figure tables, the eqn. gives 7.38 x 10-11
k = 7.381, n = -11