Working out the expression 7(3ˣ) is first to calculate the value of 3ˣ then multiply the answer to 7.
For example, let x = 2
Then 7(3ˣ) = 7(3²) = 7 × 9 = 63
With the same value of x = 2, calculating 21ˣ = 21² = 441, which isn't the same answer with the expression 7(3ˣ)
Answer:
17
Step-by-step explanation:
14+3 it asked for total yards traveled
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Answer:
C. The temperature started at 78F then decreased by 6F then decreased again by 5F
Step-by-step explanation:
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