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Alik [6]
3 years ago
14

Solve 7.8*10^(-4)-2.4*10^(-7)​

Mathematics
1 answer:
Alex787 [66]3 years ago
7 0
Convert from scientific notation to standard numbers.
0.00078 - 0.00000024

Solve.
0.00077976 is your final answer.
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There is 56 students and on the day of the field trip seven couldn't go . What decimal describes the ratio of the students who c
MaRussiya [10]

Answer:

8%

Step-by-step explanation:

56/7=8

6 0
3 years ago
A group of 5 students was asked, "How many hours did you watch television last week?" Here are their responses:
Ksenya-84 [330]

First, put the data set from least to greatest.

10, 18, 6, 11, 12 → 6, 10, 11, 12, 18

________

Find the median with finding what the middle value of the data set is.

6, 10, 11, 12, 18

Median is 11.

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Find the mean with adding all the numbers and dividing it by how many numbers their are.

6 + 10 + 11 + 12 + 18 = 57

57 / 5 = 11.4

Mean is 11.4

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4 0
4 years ago
Read 2 more answers
Are natural numbers always sometimes never rational numbers
Ipatiy [6.2K]
Natural numbers are always rational numbers,

Rational numbers can be defined as numbers that can be represented as a ratio of two integers. All natural numbers can be represented as a ratio because theycan be over one. For example, 3/1 or 19838645752641/1.
7 0
4 years ago
What is the square root of -1?
suter [353]

Answer:

i

Step-by-step explanation:

Why is i the square root of negative one?

The term "imaginary" is used because there is no real number having a negative square. There are two complex square roots of −1, namely i and −i, just as there are two complex square roots of every real number other than zero, which has one double square root.

6 0
4 years ago
Select the correct texts in the table.
ra1l [238]

Based on the given texts in the table about the graph of the function, the true statements are:

  • The graph crosses the y-axis at (0,-15).
  • The graph has a point of discontinuity at x = -2.
  • The graph is increasing over the interval (4, ∞o).
  • The domain of the function is all real numbers.

<h3>Which statements are true of the graph of the function?</h3>

The function, 4x - 15 shows that 15 is the y-intercept which means that the graph will cross the y-axis at (0,15).

The point of discontinuity is x = - 2 and we see this with the gap created at x < -2 and -2 ≤ x ≤ 4.

The graph is indeed increasing over the interval (4, ∞o) because any value of x that is greater than 4 will increase f(x) = 3^x^-^4.

The domain of the function is also all real numbers as it begins at negative infinity and ends at infinity, (-∞, ∞).

Find out more on point of discontinuity at brainly.com/question/9553665.

#SPJ1

7 0
2 years ago
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