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Ratling [72]
3 years ago
11

Which is the best estimate of the mass of a skateboard.

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0

Answer:

3 kilograms

Step-by-step explanation:

one is for liquids and the others are too small i think

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3. The value of the expression 5.104 + 4.103 + 7.10 + 1 is equal to: 
ratelena [41]
5.104+4.103+7.10+1=
9.207+7.10+1=
16.307+1=
17.307
8 0
4 years ago
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Property being illustrated 73=0+73
Bad White [126]

Answer:

yes???

Step-by-step explanation:

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8 0
3 years ago
2.1 x 10^10 OVER 7 x 10^17
vlabodo [156]
2.1 x 10^10/ 7 x 10^17 
= 3 x 10^-8

hope this helps and have a great day :)


4 0
4 years ago
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Julie is constructing a scale model of her room.The rectangular room is 10 1/4 inches by 8 inches.If 1 inch represents 2 feet of
zlopas [31]
The way to determine this is to know that 1 foot is 12 inches (so 2 is 24) 
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10.25 * 2 = 20.5 ft.
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A=B*H
20.5 * 16 = 328
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6 0
4 years ago
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A photograph negative measures 1 7/8 inches by 2 1/2 inches. The printed pictures is to have its longer dimension be 4 inches. H
Tresset [83]

4/1 / 5/2 = 4/1 * 2/5 = 8/5

1 7/8 = 15/8

15/8 * 8/5 = 120/40 = 12/4 = 3 inches

 shorter side should be 3 inches

6 0
3 years ago
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