By rounding each number to 1 significant figure, estimate the answers to:
a)
8.2 x 6.7
0.46

step-by-step explanation:

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)  

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7