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astraxan [27]
3 years ago
14

What is 3.89 × 10–2 written in standard form?

Mathematics
1 answer:
tester [92]3 years ago
7 0
C. 0.0389 I hope this helps
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Question in attachment​
Damm [24]

Answer:

a) scale factor = 1.5

b) d length is 7.5

c) Area scale factor is 2.25

Step-by-step explanation:

Given QR =6

And ST =9

Length Scalar factor = enlarged length /previous length

 =9/6

 =1.5

Length Scalar factor =1.5

b)we know PS enlarged length of PQ

Length scale factor = PS/PQ

1.5 =PS/5

PS =5×1.5

PS =d =7.5

d length is 7.5

c)Formula :

Area scale factor = (length scale factor)2

=(1.5)2

=2.25

Area scale factor is 2.25

5 0
2 years ago
Help please thank you.
adoni [48]
As the temperature increases, hot chocolate sales increase.
8 0
3 years ago
3.9 in fration form in fration
morpeh [17]

Answer:

39 / 10

Step-by-step explanation:

3.9

= 3.9 x 10 / 10

= 39 / 10

6 0
2 years ago
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galina1969 [7]
No I’m not I got to los lunas middle school in New Mexico
4 0
2 years ago
Solve the inequality 3x-1>-6x​
Ghella [55]

Answer:

x > 1/9

Step-by-step explanation:

Given that:

3x-1>-6x​

Adding 6x + 1 on both sides we get

3x-1 + 6x + 1>-6x​ + 6x +1

3x +  6x > 1

Adding both variables

9x > 1

Dividing both sides b 9 we get

9x/9 > 1/9

x > 1/9

I hope it will help you!​

3 0
3 years ago
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