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mash [69]
3 years ago
10

How do you round 2.8497 × 10^3 and 349.69 to 3 significant figures?

Mathematics
1 answer:
Kobotan [32]3 years ago
6 0

Your answer for rounding 2.8497 x 10^3 is correct: 2.85 x 10^3.

350.0 is not correct because it has 4 sig figs. The proper rounding would be simply 350. with not additional zeros.

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n/5+4=5 what is n? nwfowjvksncknknssnpxjvspdojsovjdsjsdbosdjoisdjosdjosdjgsodgjsodgjsdogjsdogjsdgosdjgosdjgosd
yaroslaw [1]
N = 45

Hope this helps!!!
7 0
3 years ago
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How do i figure this out???​
Vladimir [108]

Theres 8 edges, 5 vertices, and 5 faces.

6 0
3 years ago
Number 6 part a &amp; b<br> Number 7<br> Please &amp; thank you
miv72 [106K]

Answer:

6- Part A: 750a+1200r=1000000

    Part B: 1065a+876r=1000000

Solution of the system: a\approx521.739\;\;\;\;b\approx507.246

Step-by-step explanation:

<u>Part A:</u>

In words, the equation is formed like this:

Total kg of Arabica + Total kg of Robusta = Total kg of coffee

Now, the total of each yield is calculated by the product of kg/hectare and number of hectares. Thus, the equation is:

750a+1200r=1000000

<u>Part B:</u>

In words:

Arabica's worth + Robusta's worth  = plantation worth

Each yield's worth is given by the product of the price per kg and the corresponding production. So, the equation is:

1.42(750a)+0.73(1200r)=1000000\\1065a+876r=1000000

3 0
3 years ago
The cost of a pizza is $8.50 plus $1.35 per topping. How many toppings are on a pizza that costs $13.90?
VMariaS [17]

Answer:  

8.50 + 1.35n = 13.90

Step-by-step explanation:

So basically you have to add the cost of pizza and the per toppings correct me if i'm wrong Also Have a good Wonderful day!

And that's 4 toppings

3 0
3 years ago
Read 2 more answers
A recipe for individual chocolate hazelnut tarts calls for ½ cup of hazelnuts per tart. If 1 cup of hazelnuts weighs 4 ounces, w
DerKrebs [107]

Answer:

The amount is sufficient to make 75 tarts.

Step-by-step explanation:

We have been given that a recipe for individual chocolate hazelnut tarts calls for ½ cup of hazelnuts per tart and 1 cup of hazelnuts weighs 4 ounces.

The half cup of hazelnuts will weigh 2 ounces (\frac{4}{2}=2).

1 kg equals 35.274 ounces.

\text{5 kg}=5\times 35.274\text{ ounces}

\text{5 kg}=176.37\text{ ounces}

Since each tart needs  ½ cup of hazelnuts and half cup of hazelnuts will weigh 2 ounces, so we will divide 176.37 ounces by 2 to find number of tarts.

\frac{176.37}{2}=88.185\approx 88

Since we can make 88 tarts from 5 kg hazelnuts, therefore, the 5-kilogram bag of hazelnuts be sufficient to make 75 tarts.

7 0
3 years ago
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