Calculate the value of $$\(\left(2.3 \times 10^{-3}\right)+\left(6.8 \times 10^{-4}\right)\)$$. Give your answer in standard form. .............................................
Exam No：0580_m20_qp_22 Year：2020 Question No：8
Answer:
\(2.98 \times 10^{-3}\)
Knowledge points:
E1.7 Understand indices and use rules of indices. Use standard form.
Solution:
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