3 years ago

What is the proper way to write the phone number in scientific notation

1 answer:

8 0

1.43 x 10^7. Scientific notation moves the decimal to express the answer in a single whole digit. The exponent becomes 10^7, because you moved the decimal one place to the left, so you add 1 to your original exponent of 10^6.

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When you multiply fractions does the denominator change

Ede4ka [16]

Answer:

Step-by-step explanation:

When multiplying fractions, simply multiply the numerators together and then multiply the denominators together.

This works whether the denominators are the same or not.

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4 0

3 years ago

What it 40x + 24? I can't figure this out.

Dmitrij [34]

8(5x+3)

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3 years ago

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Ne4ueva [31]

Answer:

Step-by-step explanation:

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3 years ago

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Leona [35]

Answer:

1. 7, 10, 20, 24

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Step-by-step explanation:

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4 0

3 years ago

Three coins are dropped on a table.

Dominik [7]

Answer:

(a) S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}

(b) $\frac{1}{8}$

(d) $(\frac{1}{2})^3 + \binom{3}{1} (\frac{1}{2})^3 = \frac{1}{8} + \frac{3}{8} = \frac{1}{2}$

(e) $1 - \frac{1}{2} = \frac{1}{2}$

(f) Yes, because $P(A \cap B) = 0$ . Therefore $P(A \cup B) = P(A) + P(B) = \frac{3}{8} + \frac{1}{2} = \frac{7}{8}$

(g) No, because $P(A \cap C) = \frac{3}{8}$ . Therefore $P(A \cup C) = P(A) + P(C) - P(A \cap C) = \frac{3}{8} + \frac{1}{2} - \frac{3}{8} = \frac{1}{2}$

8 0

3 years ago