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Example: |-2| - 3 =
1
-5
-1
Example: 2 degrees below zero
-2
+2
-1
Example: Sam got 2 extra points.
-2
+2
1
Example: 48, -9, -53, -49, -47
-53, -9, 48, -49, -47
48, -9, -47, -53, -49
48, -9, -47, -49, -53
Example: |48|, -9, |-53|, 49, -47
-53, -9, 48, -49, -47
48, -9, -47, -53, -49
53, 49, 48, -9, -47
Example: √4 =
2
Example: ∛8 =
2
Example:
If -2n = -8, then n = ?
8
3
-3
Example: What is the area of a circle whose diameter is 1 cm?
Given: Diameter(d) = 1cm; So, Radius(r) = Diameter/2 = 1/2 = 0.5cm
Area of a circle: πr2 = π x 0.52 = π x 0.25 = 0.25π sq cm
Given: Diameter(d) = 1cm; So, Radius(r) = Diameter/2 = 1/2 = 0.5cm
Area of a circle: πr2 = π x 0.52 = π x 0.25 = 0.25π sq cm
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