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dem82 [27]
4 years ago
12

Round 0.0645 g to 2 significant figures: ___ g 0.064 0.06 0.065 0.1

Mathematics
2 answers:
Anna11 [10]4 years ago
6 0
0.065 as 0 doesn't count as a significant number
Mariulka [41]4 years ago
5 0

Answer:

0.065 g

Step-by-step explanation:

Given: 0.0645

Round the given decimal to 2 significant figures.

Round: To reduce the decimal digits which changes last digits.

If digits greater than 5 then previous digits increase by 1

If digit less than 5 then no change in last digit.

Round of 2 decimal place: Write two digits after decimal.

Significant figure: The number of digits from first digits 1 to 9 .

In the given decimal number. Number of digits after decimal is 4 and significant is 3

0.0645 Round off to 2 significant number.

0.0645 ⇒ 0.065 g

The unit of number doesn't change.

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Plz help... <br><br> ANSWERS ONLY!
tekilochka [14]

Answer:

1. 7 > 4 1/2           I'm only gonna do page one cause it's easy

2. 16 > 0

3. 3 1/2 < 5 1/2

Step-by-step explanation:

8 0
3 years ago
Work out the area of the triangle.
nignag [31]

Answer:

A = 12.92

Step-by-step explanation:

Base x Height x 1/2

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Hope this helps :)

4 0
3 years ago
Can someone solve this
zysi [14]
You know how Soh Cah Toa applies to right triangles; you can assign the adjacent side = 4 and hypotenuse = 7

CosФ = (adjacent) / (hypotenuse)

Then with the Pythagorean theorem
4² + b² = 7²
16 + b² = 49
b² = 49 - 16
b² = 33
b = √(33)

So "b" is the opposite side.

SinФ = (opposite) / (hypotenuse) = √(33)/7
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4 years ago
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3 years ago
Read 2 more answers
Which question is equivalent to 5+n
Dima020 [189]

Answer:

the answer would be n+5

Step-by-step explanation:

5n is the same as saying 5 multiplied by n

n +5 would equal the same number

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and if we used n+5 it would be 2+5=7

and if you plugin n=2 for all the equations the only correct one is N+5

7 0
3 years ago
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