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Activity 2: Give the value of the following expression.
[tex]1. \: 15 {}^{ - 1} [/tex]
[tex]2. \: ( - 17) {}^{0} [/tex]
[tex]3. \: 2 {}^{ - 3} [/tex]
[tex]4. \: ( \frac{2}{3} ) {}^{ - 2} [/tex]
[tex]5. \: 5 {}^{ - 5} . \: 5 {}^{3} [/tex]