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zhannawk [14.2K]
2 years ago
7

What is the sum of 8.4*10^8 and 4.2*10^7 written in scientific notation?

Mathematics
1 answer:
anyanavicka [17]2 years ago
5 0
(8.4*10^8) + (4.2*10^7)

= 882,000,000
= 8.82*10^8

Hope it helped :)
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11) The function: f(x)= x^2 – 2x + 3 belongs to<br> which family of functions?
Dmitrij [34]

Answer:

i believe a quadratic function

Step-by-step explanation:

quadratics are when an equation is x^2 so yeah (sorry if thats not what it's asking)

7 0
3 years ago
You are scheduled to work 34 hours per week at your new job, where you earn $13.1 per
Lyrx [107]
13.1 an hour, 34 hours a week
13.1 x 34 = 445.4 a week
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6 0
1 year ago
Dylan is saving money to buy a new bike that costs $195. He has $25 already saved and plans to save $40 each week. Which equatio
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25+40x=195

Step-by-step explanation:

If he already has $25, you need to add that to 40x (40 times the amount of weeks it takes to get to 195, added with 25).

6 0
3 years ago
Need help fast please with these 5 questions
Natali [406]

Answer:

16.....................................

  • 6⁹*6ⁿ = 6¹²
  • 6⁹⁺ⁿ = ¹²
  • 9 + n = 12
  • n = 3

17.....................................

  • 7⁸/7ⁿ = 7³
  • 7⁸⁻ⁿ = 7³
  • 8 - n = 3
  • n = 5

18.....................................

  • 15ⁿ = 1
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  • n = 0

19.....................................

  • 1/10⁵ = 10ⁿ
  • 10⁻⁵ = 10ⁿ
  • -5 = n
  • n = -5

20.....................................

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3 0
2 years ago
Here help my sis needs help
sasho [114]

Let's complete

  • (2,8)
  • (3,12)
  • (4,16)

Rule following=4n

  • (5,20)
  • (6,24)

#2

The rule is 4n

#3

Let's see

  • 4n=48
  • n=12yd

8 0
2 years ago
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