Question

Evaluate. Express your answer in scientific notation.
3, point, 4, times, 10, to the power minus 7 , plus, 3, point, 3, times, 10, to the power minus 7
3.4×10
−7
+3.3×10
−7

Answer 1

3.4×10^-7 + 3.3×10^-7 = 6.7×10^-7