1. Which of the following is equivalent to 7a4 + 3a"? O (7+3)a4+4
O (7-3)a+
O (743)a+
O (7.3)a4+4

Both the question and options given doesn't seem to be properly formatted. A well formatted form of the question is written in the comment section below.

10a^4

Step-by-step explanation:

Given the expression :

7a^4+3a^4

The sum of the expression given above could be taken directly Since the power of each individual value is the same.

7a^4+3a^4

Adding the coefficients

(7+3)a^4

10a^4

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