Add and subtract the values. Express your answer in scientific notation. (6.15 times 10 Superscript 8 Baseline) minus (2.5 times 10 Superscript 7 Baseline) + (3.4 times 10 Superscript 9 Baseline) 6.24 times 10 Superscript 8 7.05 times 10 Superscript 8 3.99 times 10 Superscript 9 4.04 times 10 Superscript 9

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

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it is true

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all the combinations add up i used   calculator

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y = | -2(-2) |     →     y = | 4 |     →     y = 4       ⇒   (-2, 4)

y = | -2(-1) |     →     y = | 2 |     →       y =   2       ⇒   (-1, 2)    

y = | -2(0) |     →     y = | 0 |     →       y = 0         ⇒   (0, 0)

y = | -2(1) |   c →     y = | -2 |     →     y =   2         ⇒   (1, 2)    

y = | -2(2) |     →     y = | - 4 |     →     y =   4         ⇒   (2, 4)  

it shoild be o

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