Question

plz answer the questions
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Answer 1

1. x - 2 = 7

  x = 7 + 2

  x = 5

2. 6x = 12

    $\frac{6x}{6}$ = $\frac{12}{6}$

   x = 2

3.  $\frac{t}{5}$ = 10

   $\frac{5t}{5}$ = 10(5) ---> multiply both sides

    t = 50

4. $(-1)^{0}$ = 1

5. $(3)^{-2}$

Always follow this exponent rule:

$\:a^{-b}=\frac{1}{a^b}$

$\:(3)^{-2}=\frac{1}{3^2}$

$\frac{1}{9}$

6. $\frac{2^5}{2^{-6}}$ = ?

Always follow this exponent rule:

$\quad \frac{x^a}{x^b}=x^{a-b}$

$\frac{2^5}{2^{-6}}=2^{5-\left(-6\right)}$

$2^{5-\left(-6\right)}=2^{11}$

$2^{11}$ = 2048

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