The sum of $$\(2^{2021}\)$$ and $$\(2^{2020}\)$$ has the same value as
A.
\(2 \times 2^{2020}\)
B.
\(3 \times 2^{2020}\)
C.
\(4 \times 2^{2020}\)
D.
\(2^{2020} \times 2^{2020}\)
Exam No：2021 First Round Grade 7 Year：2021 Question No：18
Answer:
B
Knowledge points:
G7 - Algebra - Exponent Properties (Factoring & Basic Rules)
Solution:
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