Final answer:
To evaluate the expression 6 + 3.4, we add the two numbers together to get 9.4.
Step-by-step explanation:
To evaluate the numerical expression 6 + 3.4, we simply add the two numbers together. In this case, the sum is 9.4. Since 6 is a whole number and 3.4 is a decimal number, we can think of this as adding 6 whole units to 3.4 units, which gives us 9.4 units.
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