Answer :

To determine the value of [tex]\((0.7)^2 - (0.1)^2\)[/tex], we can follow these steps:

1. First, calculate [tex]\((0.7)^2\)[/tex]:
[tex]\[ (0.7)^2 = 0.49 \][/tex]

2. Next, calculate [tex]\((0.1)^2\)[/tex]:
[tex]\[ (0.1)^2 = 0.01 \][/tex]

3. Subtract the result of [tex]\((0.1)^2\)[/tex] from [tex]\((0.7)^2\)[/tex]:
[tex]\[ (0.7)^2 - (0.1)^2 = 0.49 - 0.01 = 0.48 \][/tex]

So, the value of [tex]\((0.7)^2 - (0.1)^2\)[/tex] is [tex]\(0.48\)[/tex].

Thus, the correct answer is:
a) 0.48

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