3 years ago

How do you put -6 + 9 in a number line?

1 answer:

5 0

Ok, so you either put positive 3 on the number line, or you start at -6, and then draw a line (above the actual number line) to positive 9.

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If one atom of carbon weighs 1.99 × 10^−22 g and one atom of hydrogen weighs 1.67 × 10^−27 g, which element weighs more? Explain

garik1379 [7]

Answer:

The atom of carbon weighs more

Step-by-step explanation:

we have

<em>Atom of carbon weighs</em>

$1.99*10^{-22}\ g=1.99*10^{-22}(\frac{10^{5}}{10^{5}})=199,000*10^{-22}(\frac{1}{10^{5}})=199,000*10^{-27}\ g$

<em>Atom of hydrogen weighs</em>

$1.67*10^{-27}\ g$

Compare

$199,000*10^{-27}\ g > 1.67*10^{-27}\ g$

therefore

The atom of carbon weighs more

8 0

3 years ago

What happened when a bunch of numbers got lost in the desert and spent years wandering from oasis to oasis?

Mars2501 [29]

Answer:

they became "roamin' numerals"

Step-by-step explanation:

4 0

3 years ago

Eva draws a line that includes the points (2,0) and (-2,2). Which function gives all the

Ainat [17]

If you use photomath itll help you

3 0

3 years ago

The arc length of a sector created by a 90° angle is 25 cm. What is the circumference of the entire circle? Express

docker41 [41]

Answer:

We know length of one quarter of a circle = 2πr/4 = πr/2

So here we can make the equation for to find thr value of radius r

length of one quarter given = 25 cm

so πr/2 = 25 cm

=> πr = 50 cm

=> r = 50/π cm

So the entire circumference of circle =

2πr

= 2 π 50/π cm

= 100π/π cm (ans)

Here we dont substitute the value of π due to represent the answer in terms of pi.

Hope it helps you

6 0

3 years ago

A method of expressing a number as the product of a power of 10 and

GarryVolchara [31]

Answer:

A. Scientific Notation

Step-by-step explanation:

Brainliest is appreciated, im one away :)

6 0

3 years ago

Read 2 more answers