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Strike441 [17]
3 years ago
13

The width of a virus is 2.0 x 10 to the(-7)th meter. Write this number in standard decimal notation

Mathematics
1 answer:
nikklg [1K]3 years ago
8 0

2×10^(-7)=0.0000002m

You have 6 zeros in front of 2.

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b) equation of line CD is:

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Step-by-step explanation:

a) If the coordinates of point A are (8 , 0) and the coordinates of point B are (3 , 7), the y-intercept of AB is ___

We are given the points A(8,0) and point B (3,7)

We need to find y-intercept i.e b

Finding slope of points A and B = y₂ - y₁/x₂ - x₁

=7-0/3-8

=7/-5

= - 7/5

So, finding y intercept b by using equation

y = mx+b

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0 = 8(-7/5) + b

0 = -56/5 + b

=> b = 56/5

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Since AB || CD

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i.e m = -7/5

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y = mx+b

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5 = -7 + b

=> b = 5+7

=> b = 12

So, equation of line CD is:

y = -7/5x + 12

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