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geniusboy [140]
3 years ago
7

Round to nearest ten 6811.09

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
5 0
The answer is 6811.1
melisa1 [442]3 years ago
5 0

Answer:

6810

Step-by-step explanation:

round to nearest ten 6811.09

First we write the place value of given number

6811.09

9 is in hundredths place

1 is in once place

1 is in tens place

8 is in hundreds place

6 is in thousands place

we have 1 in once place that is less than 5 so we keep the numbers as it in tens place

6811.09 rounded to 6810

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Simplify the expression. 7 √x • 7 √x • 7 √x
blsea [12.9K]
Answer:

√7x−49√x

Explanation:

First of all, expand by multiplying √7x⋅√x and √7x⋅7√7respectively:

√7x(√x−7√7)=√7x⋅√x−√7x⋅7√7

... you can express √7x as √7⋅√x...

=√7⋅√x⋅√x−√7⋅√x⋅7⋅√7

=√7⋅(√x)2−(√7)2⋅√x⋅7

... the operations squaring and taking the square root "eliminate each other"...

=√7⋅x−7⋅√x⋅7

=√7x−49√x

Hope that this helped!

8 0
2 years ago
What is the diameter of a circle with a circumference of 30 pi inches
Olenka [21]
Circumference = πD 

30π = πD 

D = 30 inches

Answer: 30 inches
6 0
2 years ago
Read 2 more answers
2<br> 3250 m + 1,662 km =
uranmaximum [27]

Answer:

1,665.25 km

Step-by-step explanation:

8 0
2 years ago
A bag contains 8 purple marbles &amp; 12 green marbles. You choose one marble out of the bag without looking.
MrRissso [65]

Answer:

1. P(P) = 8/20 = 0.4

2. P(G) = 12/20 = 0.6

Step-by-step explanation:

Given;

Number of green marbles G = 12

Number of purple marbles P = 8

Total T = 12+8 = 20

The probability that you choose a purple marble P(P) is;

P(P) = number of purple marbles/total number of marbles

P(P) = P/T = 8/20 = 0.4

P(P) = 0.4

The probability that you choose a Green marble P(G) is;

P(G) = number of Green marbles/total number of marbles

P(G) = G/T = 12/20 = 0.6

P(G) = 0.6

6 0
3 years ago
5. Find the thickness of each layer. Use the data to determine the percentage of the total
zmey [24]

Answer:

Exosphere - 10,000 kilometers thick

Thermosphere - 513 kilometers

Mesosphere - 2200 km

Stratosphere - Depends, but most occurring thickness is 50km

Troposphere - 8-14km

Step-by-step explanation:

Double check and verify this information with your lesson since honestly the numbers could very well differ depending on your lesson and when they were taken. I hope this helps though..have a good one

3 0
1 year ago
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