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Rufina [12.5K]
3 years ago
6

Due to ever-changing technology, a new XYZ Smartphone decreases in value 20% each year. (a) How much will this $1000 phone be wo

rth in 2 years? (b) How long until it is worth less than 10% of it's original price?
Mathematics
1 answer:
neonofarm [45]3 years ago
5 0

Answer:

1.) $640 2.) 7 years.

Step-by-step explanation:

1000 x .2 = 200      1 yr

1000 - 200 = 800

800 x .2 = 160         2 yrs

800 - 160 = 640

640 x .2 = 128         3 yrs

640 - 128 = 512

ANYWAYS THIS WOULD TAKE TO LONG! SO HERE IS THE ANSWER TO B.

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Answer:

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Step-by-step explanation:

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4 years ago
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mr Goodwill [35]

Step-by-step explanation:

it is very simple, once you remember that "kilo" means 1000, "mili" means 1/1000, and "centi" means 1/100.

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1.

9.32 kg = 9.32×1000 = 9320 g

2.

1.429 g = 1.429/1000 = 0.001429 kg

3.

287 g = 287/1000 = 0.287 kg

4.

4.6 L = 4.6×1000 = 4600 mL

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6.

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26793 mL = 26793/1000 = 26.793 L

8.

0.06 L = 0.06×1000 = 60 mL

9.

170 cg = 170×10 = 1700 mg

10.

2674 cm = 2674/100 = 26.74 m

11.

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10 km = 10×1000 m = 10×1000×1000 = 10000000 mm

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2 years ago
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DerKrebs [107]

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Answer:

You will pay $4.31

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