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3 years ago

Write the number in scientific notation 345.6

Mathematics

2 answers:

spayn [35]3 years ago

8 0

The number in scientific notation:

345.6

=3.456 x 100
=3.456 x 10^2
or 3.456e2

ziro4ka [17]3 years ago

7 0

3.456 * 10^2
make the number so there is only one digit to the left of the decimal point and multiply it by 10 to the power of however many places you moved the decimal to the left

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Factorise the following. 49g^2 - 36h^2 - 28g - 24h

vagabundo [1.1K]

Answer: -4(7g - 6h)(7g + 6h)

Step-by-step explanation:

Separate the 4 terms into two groups of 2 terms. Then factor out the GCF of each group. You should end up with a common factor in each group - that is one of the factors. The other factor is what you factored out from each term.

49g² - 36h² - 28g - 24h

(7g - 6h)(7g + 6h) -4(7g + 6h)

They both have a common factor of (7g + 6h)

The terms factored out are (7g - 6h) and -4

So, the factorization is: -4(7g - 6h)(7g + 6h)

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3 years ago

F(x) = x² + x ² x ² + x + 2

Oduvanchick [21]

Answer:

y=x^4+x^2+x+2

Step-by-step explanation:

y=x2+x2x2+x+2

y=x4+x2+x+2

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3 years ago

In order to be invited to tutoring or extension activities, a student's performance must be at least 20 points higher or lower t

marissa [1.9K]

Answer:

The inequality that represents p are p $\geq$ 125 or p $\leq$ 85.

Step-by-step explanation:

We are given that in order to be invited to tutoring or extension activities, a student's performance must be at least 20 points higher or lower than an average score. The average score is 105.

Let p = the scores for students who are eligible for tutoring or extension activities.

The first condition states that a student's performance must be at least 20 points higher than an average score, that means;

p $\geq$ (105 + 20)

p $\geq$ 125

Similarly, the second condition states that a student's performance must be at least 20 points lower than an average score, that means;

p $\leq$ (105 - 20)

p $\leq$ 85

So, the inequality that represents p are p $\geq$ 125 or p $\leq$ 85.

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3 years ago

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