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3 years ago

5

How many significant digits are there in 17.0

1 answer:

svet-max [94.6K]3 years ago

4 0

The answer is three significant figures. The 1 and the 7 are both significant, because they are non-zero quantities.
This is where significant figures gets a little more complicated, because if a zero is used as a placeholder (i.e. 0.00027 cm) then it is insignificant.
But in the case above, the zero isn't being used as a placeholder, and thus, is significant.

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Rina8888 [55]

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Subtract -86 from 2177....2177-(-86)
=2263
2263 is how much higher checkpoint 1 (-86) is from checkpoint 4 (2177)

Hope this helps! :)

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3 years ago

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3 years ago

as a part of its diet, a pacific seahorse eats about 56 shrimp per week.It eats the same amount each day

Furkat [3]

Answer:

The Pacific seahorse eats 8 shrimp per day

Step-by-step explanation:

<u><em>The complete question is</em></u>

As a part of its diet, a Pacific seahorse eats about 56 shrimp per week. It eats the same amount each day.

a) How much shrimp does the Pacific seahorse eat per day?

Complete the statement with the unit rate.

The Pacific seahorse eats _____ shrimp per day.

Part a) How much shrimp does the Pacific seahorse eat per day?

Let

x ---> the number of shrimp that the Pacific seahorse eats per day

we know that

The number of shrimp that the Pacific seahorse eats per day, multiplied by the number of days in a week, must be equal to 56 shrimp

$1\ week=7\ days$

so

The linear equation that represent this situation is equal to

$7x=56$

solve for x

Divide by 7 both sides

$x=8\ shrimp$

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The Pacific seahorse eats 8 shrimp per day

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3 years ago

The circular opening of a vase has an inside diameter of 13.5 cm.

Sunny_sXe [5.5K]

Answer:

$Area = 143cm^2$

Step-by-step explanation:

Given

Shape: Opening of a circular vase

$Diameter =13.5cm$

$\pi = 3.14$

Required

Determine the area

This opening implies a circle; hence the area will be calculated using area of a circle.

$Area = \pi r^2$

Solve for radius (r)

$r = \frac{d}{2}$

$r = \frac{13.5\ cm}{2}$

$r = 6.75\ cm$

Substitute 6.75 for r in $Area = \pi r^2$

$Area = 3.14 * 6.75^2$

$Area = 143.06625$

$Area = 143cm^2$ --- Approximated

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3 years ago