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Sergeeva-Olga [200]
3 years ago
15

What is the scientific notation of 0.005

Mathematics
1 answer:
Airida [17]3 years ago
3 0
Move the decimal to the right 3 places: 5 x 10⁻³ 
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Lucy bought 9 1/3 pounds of blueberries from the farmer's market and placed them in equal quantities in 7 bags. How many pounds
olga2289 [7]

Answer:

1 and 1/3

Step-by-step explanation:

9.334 divided by 7 equals 1.3334.

1.3334 simplifies into 1 and 1/3.

Hope this helps!

4 0
3 years ago
Simplify 4(2n -1) – 6n
larisa86 [58]

Answer:

2n - 4

Step-by-step explanation:

expand brackets

8n - 4 - 6n

collect like terms

2n - 4

4 0
3 years ago
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Nick has to build a brick wall. Each row of the wall requires 62 bricks. There are 10 rows in the wall. How many bricks will Nic
love history [14]
Nick will need 620 bricks.
4 0
3 years ago
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Find the perimeter of a rectangle whose length is 3 cm greater than its height, and whose area is 40 cm².
jonny [76]

Answer: 26\ cm

Step-by-step explanation:

The perimeter of a rectangle can be calcualated with this formula:

P=2l+2h

Where "l" is the lenght and "h" is the height.

 The area of a rectangle can be found with this formula:

A=lh

Where "l" is the lenght and "h" is the height.

In this case we know that:

A=40\ cm^2

Therfore, we can susbsitute them into A=lh and solve for "h" in  order to find its value:

40=(h+3)h\\\\40=h^2+3h\\\\h^2+3h-40=0

Find two number whose sum is 3 and whose product is -40. These are -5 and 8. Then, factorizing, we get:

(h-5)(h+8)=0\\\\h_1=5\\\\h_2=-8

The positive value is the height. Then:

h=5\ cm

Since the length is 3 centimeters greater than its height, we get that this is: Then:

l=5\ cm+3\ cm\\\\l=8\ cm

Substituting values into P=2l+2h, we get that the perimeter is:

P=2(8\ cm)+2(5\ cm)\\\\P=26\ cm

8 0
3 years ago
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Can someone plz help me with this answer is not A I’m not understanding it plz help
STatiana [176]
I think it’s C. 136 ft squared
8 0
3 years ago
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