Work out $$$\left(3 \times 10^{199}\right)+\left(2 \times 10^{201}\right)$$$. Give your answer in standard form. .............................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_w20_qp_22 Year：2020 Question No：14

Answer:

$2.03 \times 10^{201}$

E1.7 Understand indices and use rules of indices. Use standard form.

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