Option (A) is correct
The scientific notation is given by 3 x 10^−6 + 2.4 x 10^−5., we have to simplify it
What is scientific Notation?
Scientific Notation is the expression of a number n in the form a∗10b. where a is an integer such that 1≤|a|<10
3 x 10^−6 + 2.4 x 10^−5.
3 x 10^−5 x 10^−1+ 2.4 x 10^−5.
10^−5(3 x 10^−1 + 2.4)
10^−5(0.3 + 2.4)
2.7×10^−5
Hence the given option (A) is correct
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