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3 years ago

I need help with this 6.8 times 10^-2

2 answers:

7 0

First of all let’s solve the exponent.
10 squared to the power of -2 would be 0.01. Now multiply 0.01 times 6.8 which will give you 0.068.

Answer: 0.068

Sloan [31]3 years ago

3 0

Answer:

0.68

Step-by-step explanation:

10^-2 is 0.1 10 and go to the left 2

0.1 * 6.8 = 0.68

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Fourteen subtracted from 2 times a number is 28. Write an equation?

Alecsey [184]

Step-by-step explanation:

let the unknown number be x

1St step: twice the number is 2(x) =2x

2nd step: 2x -14

3rd step: 2x - 14=28...

5 0

3 years ago

5 Find the area of the polygon.

ikadub [295]

The answer is a and if not D

3 0

3 years ago

What is x-7; if x=23

Leona [35]

X = 23

x - 7

(23) - 7 = 16

16 is your answer

hope this helps

7 0

3 years ago

Given: A= {(2,3), (5,1).(-3,-2), (0, 3))<br> What is the domain of A?

xxMikexx [17]

Answer:

The domain is (2,5,-3,0)

Step-by-step explanation:

we know that

For a set of ordered pairs, the first elements of each ordered pair represents the domain of the function and second elements of each ordered pair represents the range of the function.

The domain of a function is the set of all possible values of x

In this problem we have

$A= \ [(2,3), (5,1).(-3,-2), (0, 3)\ ]$

therefore

The domain is (2,5,-3,0)

4 0

3 years ago

In a right triangle, the value of cos B = 3/5. What is the value of sin B?

ozzi

Answer:

4/5

Step-by-step explanation:

cos B = 3/5

cos Ф = adjacent/hypothesis

hypothesis ² = adjacent² + opposite²

5²= 3²+ o²

25 = 9+o²

25-9=o²

16 = o²

√16 = o = 4

Sin B = opposite/hypothesis = 4/5

7 0

3 years ago