8 x 10-3 is how many times as great as 4 x 10-6?
2 x 103
2 109
2 x 10-3
2 x 10-9

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

answer: i can’t tell you that

step-by-step explanation:

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step-by-step explanation: