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Triss [41]
3 years ago
7

What is significant digit rules and how is it used?

Mathematics
1 answer:
torisob [31]3 years ago
6 0

Answer:

Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant.

Step-by-step explanation:

  • Non-zero digits are always significant.
  • Any zeros between two significant digits are significant.
  • A final zero or trailing zeros in the decimal portion ONLY are significant.

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On the first 6 exams of his chemistry class, William got an average score of 80. What does he need on the next exam to have an o
Pavlova-9 [17]

Answer:

He will need a 94 to get an 82 average

Step-by-step explanation:

82 x 7 =574

80 x 6 = 480

574-480 = 94

5 0
2 years ago
Help me pleasee , timed
solong [7]

Answer:

The second alternative is correct

Step-by-step explanation:

We have been given the expression;

(x^{27}y)^{\frac{1}{3}}

The above expression can be re-written as;

(x^{27})^{\frac{1}{3}}*y^{\frac{1}{3}}\\\\(x^{27})^{\frac{1}{3}}=x^{27*\frac{1}{3}}=x^{9}

On the other hand;

y^{\frac{1}{3}}=\sqrt[3]{y}

Therefore, we have;

x^{9}\sqrt[3]{y}

6 0
3 years ago
Read 2 more answers
Katie completes 2/3 of a craft project in 3/4 of an hour. At this rate, what fraction of the craft project does Katie complete i
jonny [76]

Divide the quantity done by the time:

2/3 / 3/4

When dividing by a fraction flip it over and change divide to multiply:

2/3 x 4/3 = (2 x4) / (3x 3) = 8/9

In 1 hour she will complete 8/9 of the project.

3 0
4 years ago
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Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.)
sveta [45]

Answer:

87.92

Step-by-step explanation:

3.14(a² + ab)

= 3.14 (4² + 4 × 3)

= 3.14 (16 + 12)

= 3.14 × 28

= 87.92

Hope it helps :)

Please mark my answer as the brainliest

3 0
3 years ago
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A line that includes the points (6,h) and (7,−10) has a slope of −7.
Sonbull [250]

Answer:

h=-3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

-7=(-10-h)/(7-6)

-7=(-10-h)/1

-7*1=-10-h

-7=-10-h

h=-10-(-7)

h=-10+7

h=-3

7 0
3 years ago
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