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3 years ago

8

7. A chemist weighed three separate test samples at 0.17 gram, 0.204 gram, and 2.3 grams. What is the total weight of the three

samples?

1 answer:

ale4655 [162]3 years ago

6 0

2.674 with all of them added together. If you include sig figs it would be 2.7

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Plz help me on this question

Alenkasestr [34]

Answer:

Step-by-step explanation:

The 20th of February for seven nights:

Mr. Jones: 714

Mrs. Jones: 714

Child 1: 95% of 714 = 678.30

Child 2: 95% of 714 = 678.30

Total Price: 2784.60

The 10th of April for fourteen nights:

Mr. Jones: 802

Mrs. Jones: 802

Child 1: 85% of 802 = 681.70

Child 2: 85% of 802 = 681.70

Total Price: 2967.40

The 10th of April for fourteen nights is 182.80 pounds greater than the 20th of February for seven nights.

5 0

3 years ago

Evaluate 4<br> M-n if m= -7 and n = 2.

gregori [183]

Answer:

-30

Step-by-step explanation:

I'm assuming the equation is $4m-n$ . If it is not please tell me.

If we know the values of m and n, we can just substitute inside the expression.

$4(-7) - 2\\\\-28 - 2\\\\-30$

Hope this helped!

7 0

3 years ago

What should be added to 3 to make the sum of 0?

garri49 [273]

Well if you have three and add negative 3 it equals 0

5 0

3 years ago

Read 2 more answers

Simplyfi. (9g^10p^8)^2<br> im confused pls help

andreev551 [17]

So the right answer is 9g^20p^16

look at the attached picture

Hope it will help you

Good luck on your assignment

5 0

3 years ago

Read 2 more answers

Angle e measures 126LaTeX: ^\circ∘. What is the measure of LaTeX: \angle∠h?

SVEN [57.7K]

Answer:

$m\angle h=126^o$

Step-by-step explanation:

we know hat

<u><em>Vertical Angles</em></u> are the angles opposite each other when two lines cross. They are always congruent.

In this problem

$m\angle h=m\angle e$ ----> by vertical angles

we have

$m\angle e=126^o$ ---> given problem

therefore

$m\angle h=126^o$

3 0

3 years ago