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Evaluate the following expression: 7.0 x 10⁴ + 6.0 x 10³ A) 13 x 10⁷ B) 42 x 10⁷ C) 67 x 10³ D) 76 x 10³

Evaluate the following expression: 7.0 x 10⁴ + 6.0 x 10³ A) 13 x 10⁷ B) 42 x 10⁷ C) 67 x 10³ D) 76 x 10³
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2 votes
Evaluate the following expression:

7.0 x 10⁴ + 6.0 x 10³

A) 13 x 10⁷
B) 42 x 10⁷
C) 67 x 10³
D) 76 x 10³

User Robert Achmann
by
7.3k points

1 Answer

5 votes

7.0 \cdot 10^4 + 6.0 \cdot 10^3=10^3\cdot (7.0 \cdot 10+6.0)= (70.0 +6.0)\cdot10^3= 76 \cdot10^3\\ \\ Answer: \ D) \ \ 76 \cdot 10^3


User Mike Lewis
by
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