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8090 [49]
3 years ago
10

What is the power of 10 when 0.000028 is written in scientific notation

Mathematics
1 answer:
Luden [163]3 years ago
6 0
The power of 10 is -5 

Move the decimal point to the right until the first significant number and in this problem it is 2. It took 5 places to the right until going past the 2 and the number would be negative because going right past the decimal point will make any power negative. 
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3 0
3 years ago
In angle PQR, angle P = (4x – 14)º, angle Q = (5x + 6)", and angle R= (x - 2)°. Find<br> angle R.
vekshin1

we have: ∠P + ∠Q + ∠R = 180°

<=> (4x – 14)º + (5x + 6)° + (x - 2)° = 180°

<=> 4x – 14 + 5x + 6 + x - 2 = 180°

<=> 10x - 10 = 180°

<=> 10x = 190

<=> x = 19°

So: ∠R = (x - 2)° = (19 - 2)° = 17°

ok done. Thank to me :>

5 0
2 years ago
Which of the following is the vertex of the equation \large x^2-2x=-5 ?
Lelu [443]
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8 0
3 years ago
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Levart [38]

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7 0
3 years ago
Read 2 more answers
It is recommended that you work this out on graph paper to help answer the questions. Sean plots the locations of 4 places on a
zepelin [54]
A) 2 units
B) yes

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For B)
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The distance from the house to the school to the grocery store is greater.
6 0
4 years ago
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