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SVEN [57.7K]
2 years ago
12

I need help with this math question

Mathematics
2 answers:
kodGreya [7K]2 years ago
8 0

Answer:

<em>1.254 × </em>10^{11}<em>  </em>

Step-by-step explanation:

2.2 × 10^{6} * 5.7 × 10^{4} = (2.2 * 5.7) × ( 10^{6} * 10^{4} ) = 12.54 × 10^{10} = <em>1.254 × </em>10^{11}<em> </em>

Oksanka [162]2 years ago
4 0

1.254 × 10 ^11

would be the answer

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Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.
Oxana [17]

Answer:

6m + n + 2

Step-by-step explanation:

[7m + 3n - 11 - 2m] + [n + 5 - -m - 3n + 8]

[5m + 3n - 11] + [n + 5 + m - 3n + 8]

5m + 3n - 11 + (-2n + 13 + m)

5m + 3n - 11 - 2n + 13 + m

6m + n + 2

3 0
3 years ago
8) The sides of a flower garden are shown in the diagram below. What is the perimeter of the flower garden? 4m 2 m​
jeka94

Answer:

18.28 m

Step-by-step explanation:

Given the flower garden in the question :

The shape is composite and can be divided into 2 semicirles and rectangle

The perimeter of a semicircle is the Circumference of the semicircle = πr

Hence, 2 semicirles = 2πr

Radius of semicircle = 2/2 = 1

Perimeter = 2 * 3.14 * 1² = 2 * 3.14 * 1 = 6.28 m

The perimeter of rectangle; length and width are 6m and 2 m respectively :

Perimeter of rectangle = 2(l + w) = 2(4+2) = 2(6) = 12m

Tve perimeter of garden = 6.28 + 12 = 18.28 m

8 0
3 years ago
You deposit $6000 in an account earning 2% interest compounded monthly. How much will you have in your account in 15 years?
Dmitrij [34]
Well 2% of 6000 is 120. Then u take 120 times 12 (the amount of months in 1 year) than u take the answer (1440) and mulitply it by 15 (the amount of years) and get <span>21600.

Hope this helps! :3
</span>
4 0
3 years ago
What is 788.48 plus 7% rounded to the nearest cent
AveGali [126]

Answer:

$843.67

Step-by-step explanation:

1% = 7.8848

7.8848 x 7 = 55.1936

788.48 + 55.1936 = 843.6736

Rounded to nearest cent = $843.67

7 0
3 years ago
Read 2 more answers
Solve for x and y simultaneously <br><br>Pls help me ​
pickupchik [31]

I don't think its possible to do this... you have to have 2 equations

8 0
3 years ago
Read 2 more answers
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