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Semenov [28]
3 years ago
15

Find the value of the following expression:

Mathematics
2 answers:
AleksandrR [38]3 years ago
8 0

Answer:

why such complicated questions.....?

Step-by-step explanation:

sweet [91]3 years ago
4 0

Answer:

  • 9

Step-by-step explanation:

  • (2⁸ ⋅ 3⁻⁵ ⋅ 6⁰)⁻² ⋅ (3⁻²/2³)⁴ ⋅ 2²⁸ =
  • 2⁻¹⁶·3¹⁰·3⁻⁸·2⁻¹²·2²⁸ =
  • 2⁻¹⁶⁻¹⁰⁺²⁸ · 3¹⁰⁻⁸ =
  • 2⁰ · 3² =
  • 1 · 9 =
  • 9
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37. Two years ago, Bob flew 6 x 105 miles in an airplane. This was 15 times as many
gogolik [260]

Answer:

  A.  4·10⁴

Step-by-step explanation:

The problem statement tells you ...

  6×10⁵ miles = 15 × (last year's mileage)

Dividing by 15 gives ...

  (60×10⁴ miles)/15 = (last year's mileage) = 4×10⁴ miles

_____

<em>Further explanation</em>

An exponent is an indication of repeated multiplication.

  10⁵ = 10·10·10·10·10 = 100,000

We can use the associative property of multiplication to rewrite the number of miles:

  6×10⁵ = 6·(10·10·10·10·10) = 600,000 = (6·10)·(10·10·10·10) = 60×10⁴

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3 years ago
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ss7ja [257]

Answer:

2.5 cm is the radius

Step-by-step explanation:

8 0
3 years ago
I need help with this part on the quiz
dedylja [7]

Non linear and increasing

4 0
2 years ago
Read 2 more answers
What is the approximate value of k?
lesya692 [45]

Hello from MrBillDoesMath!

Answer:

5.06

Discussion:

Angle J = 180 - (120 + 40) = 180 - 160 = 20 degrees,

From the law of sines

sin(120)/k = sin(20)/2  =>

sin(120) =  k *  (  sin(20)/2) )                (multiply both sides by "k")

k = sin(120)/  (   sin(20)/2)                    (divide both sides by sin(20)/2)

k =  (0.866) /  ( 0.171) =  5.06


Regards,  

MrB

 P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


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3 years ago
WILL GIVE BRAINLIST IF COMPLETED TWO QUESTIONS
solong [7]

Answer:

Step-by-step explanation: <_>

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3 years ago
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