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Charra [1.4K]
3 years ago
15

Which of the following is the proper scientific notation for the number 142.00?

Mathematics
2 answers:
jasenka [17]3 years ago
8 0

Answer:

The proper scientific notation for 142.00 is 1.42 x 10^2.

Step-by-step explanation:

Scientific notation is utilized to express large numbers in a smaller way. Basically, is expressed as a value from -10 to 0 or 0 to 10 without including -10 and 10, fallowing a multiplication by a power of 10, and the exponent values is the number of decimal places. For example, the scientific notation of 1,000 is 1 x 10^3, and it means one multiplied by three times 10 or [1 x 10 x 10 x 10].

svetlana [45]3 years ago
6 0

Answer:1.42*10^2


Step-by-step explanation:

Put the period 2 ahead

142-1.42

1.42*10^2 is 142

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Toby wants to find the volume of a solid toy soldier.
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Answer:

Toby wants to find the volume of a solid toy soldier.He fills a rectangular container 8 cm long, 6 cm wide,and 10 cm high with water to a depth of 4 cm. Toby totally submerges the toy soldier in the water. The height of the water with the submerged toy soldier is 6.6 cm. Which of the following is closest to the volume, in cubic centimeters, of the toy soldier?

A. 125 B. 156 C. 192 D. 208 E.317

The volume of the toy is 125 cubic cm ,option A is the closest answer.

Step-by-step explanation:

Given:

A rectangular container .

Length of the container =8 cm

Width of the container = 6 cm  

Height of the container when water is filled = (h_1) = 4 cm

Height of the container when the toy is submerged = (h_2) =6.6 cm

Volume of the toy =  Volume of the container with the toy - Volume of the container (with water)

Volume of the toy = (l\times b\times h_2) - (l\times b\times h_1)

                              = (l\times b\times)(h_2-h1)

                              = (6\times 8)(6.6-4)

                              = 48\times 2.6

                              = 124.8 cubic centimeters.

So,the closest value to the volume of the toy is 125 cubic centimeters.

6 0
4 years ago
Help please, im dum-
serious [3.7K]

Answer:

D. I would say D.

Step-by-step explanation:

mark me brainiest

pls and ty

hope this helps!

have a nice day!

<u><em>QUEENOFTARUS </em></u><u>♉</u>

8 0
3 years ago
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Contradictions usually mean they go against established rules. Squaring a negative number is one example if it is in math. But just think of anything that goes against what is known.  
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Graph for 4x + 3y = -3
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Answer:

Your answer is: Slope = -\frac{4}{3} Y-intercept = (0,-1)

Graph the line using the slope and y-intercept, or two points.

Step-by-step explanation:

Graph Below : ↓

Hope this helped : )

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What is the y-intercept of the line given by the equation y equals two x minus nine?
jenyasd209 [6]
Y-Intercept= -9

Your equation is Y=mx+b, and b is the Y-Intercept
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