(repost) Help Please I will Give brainliest If Correct!!

Mathematics

2 answers:

Eddi Din [679]2 years ago

6 0

Answer:

There are about 7 x 10^6

Step-by-step explanation:

3.5*2029249= 7102347

rounds to 7000000= 7 x 10^6

erma4kov [3.2K]2 years ago

4 0

Answer:

7.102347 times $10^{6}$ .

Step-by-step explanation:

Alright. This is an inanely large amount of words, as a drill for scientific notation. The first step is, since the mystery book has 2,029,242 words, to turn this into a single digit multiplied by a power of ten - 2.029242 times $10^{6}$ (apologies for the weird font change in the middle). The science fiction book is 3.5 times larger - multiply 2.029242 on a calculator (unless you really like suffering for some reason; then do it by hand) - it comes out as 7.102347. Thus, the answer is 7.102347 times $10^{6}$ .

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Spencer is asked to factor the polynomial 256x^4y^2−y^2 completely over the integers. His work is shown below.

mr Goodwill [35]

Answer:

Option B, Spencer did not factor the polynomial completely; 16x^2−1 can be factored over the integers.

Step-by-step explanation:

<u>Step 1: Factor</u>

256x^4y^2−y^2

y^2(256x^4 - 1)

y^2(16x^2 - 1)(16x^2 + 1)

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Answer: Option B, Spencer did not factor the polynomial completely; 16x^2−1 can be factored over the integers.