1.5E-4*61.3 = 0.00920 (which has too many s.f. That rounds to 0.0092 to two s.f.
2.01
+0.0092
----------
2.0192
which rounds to 2.02 since we can't count anything past the 0.01 place.
do the arithmetic and give the answer to the correct number of significant figures. (1.5 x 10^-4 x 61.3) + 2.01 =
2 answers
12. How many O atoms are in 4.39 g of CO2?
1 answer