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2 years ago

can someone give me a good explanation of scientific notation. simple but smart. i’m in algebra 1 honors

Mathematics

1 answer:

Kaylis [27]2 years ago

3 0

Answer:

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It may be referred to as scientific form or standard index form, or standard form in the UK.

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Multiply 2 5/8 and -2 3/5

Rina8888 [55]

Answer:

-6 33/40

Step-by-step explanation:

2 5/8 * -2 3/5

Change each to an improper fraction

2 5/8 = (8*2+5)/8 = 21/8

2 3/5 = (5*2+3)/5 = 13/5

21/8 * -13/5

-273/40

Change to mixed number

40 goes into 273 6 times

6*40 = 240 273-240 =33

-6 33/40

8 0

3 years ago

I need to know what 2 numbers go in here to equal 20

mr Goodwill [35]

Answer:

4 and 2

Step-by-step explanation:

4x4+2x2

16+4=20

3 0

2 years ago

Read 2 more answers

(6 x2 - 6x + 4) - (x2 – 5x – 9)

DedPeter [7]

The answer is 9x+13

4 0

3 years ago

Please have an explanation with it

Nataly_w [17]

Hello from MrBillDoesMath!

Answer:

The protein/calories ratios are equivalent

Discussion:

For the first column

Protein/calories = 24/96 = 1/4

For the second column

Protein/calories = 28/112 = 1/4

So the protein/calories ratios are equivalent

Thank you,

MrB

7 0

3 years ago

Please help i d k if its -128 or -1/128

7nadin3 [17]

Answer:

$\frac{ {y}^{ - 5} }{x {}^{ - 3} } \\$

when x is 2, y is -4

$= \frac{ {( - 4)}^{5} }{ {2}^{ - 3} } \\ \\ = - 1024 \times {2}^{3} \\ = - 1024 \times 8 \\ = - 8192$

None of the objectives is right

7 0

3 years ago