Question

Elena wants to add (2.3×105)+(3.6×106) and writes (2.3×105)+(3.6×106)=5.9×106. Find Elena's mistake and fix it.

The correct answer (in scientific notation) should be:

Answer 1

The correct answer is 623.1 . Elena wrote the wrong numbers and put (5.9 x 10^6) .

Explanation:

Answer 2

Question doesn’t make sense

Explanation:

The way this question should be written to be correct scientific notation is 2.3x10^5 + 3.6x10^6 which would equal 3.83x10^6