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Evaluate the expression [tex]$t^2$[/tex]:

a. For [tex]$t=5$[/tex].
b. For [tex]$t=-4$[/tex].

Sagot :

GinnyAnswer
Let's evaluate the expression \( t^2 \) for the given values of \( t \).

### Part a: For \( t = 5 \)

1. Substitute \( t = 5 \) into the expression \( t^2 \).
2. Calculate the square of 5:

[tex]\[ t^2 = 5^2 = 25 \][/tex]

So, the value of \( t^2 \) when \( t = 5 \) is \( 25 \).

### Part b: For \( t = -4 \)

1. Substitute \( t = -4 \) into the expression \( t^2 \).
2. Calculate the square of -4:

[tex]\[ t^2 = (-4)^2 = 16 \][/tex]

So, the value of \( t^2 \) when \( t = -4 \) is \( 16 \).

### Summary

- When \( t = 5 \), \( t^2 = 25 \).
- When [tex]\( t = -4 \)[/tex], [tex]\( t^2 = 16 \)[/tex].
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