3 years ago

How do you add, subtract, multiply, and divide numbers written in scientific notation?

1 answer:

6 0

You write the numbers in scientific notation then do addition or anything else as long as it has 2 numbers in scientific notation.After you solve you can change it back to a regular number

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Which problems can be solved by preforming this multiplication?

LenaWriter [7]

I think it's b correct me if I'm wrong

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3 years ago

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STALIN [3.7K]

Answer:

Step-by-step explanation:

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3 years ago

Let f(x) = -2x + 4 and g(x) = -6.0 – 7. Find f(x) – g(x).

Oksanka [162]

Answer:

-2x + 3

Step-by-step explanation:

f(x) - g(x)

(-2x + 4) - (-6.0 - 7)

-2x + 4 - (-6.0) - 7

-2x + 4 + 6.0 - 7

-2x + 10 - 7

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7 0

3 years ago

Need help please.........................

Archy [21]

Answer:

16 $t^{2}$ + 2t - 6

Step-by-step explanation:

$(12t^{2} + 5t -y) - (-4t^{2} + 3t -1)$

simplify

$12t^{2} + 5t -7 +4t^{2} -3t +1$

combine like terms

16 $t^{2}$ + 2t - 6

8 0

3 years ago

A map has a scale of 2cm= 5km. The distance between two cities on the map is 31.2cm.what is the actual distance between the citi

kykrilka [37]

Answer:

78 km

Step-by-step explanation:

the statement tell us:

2cm= 5km.

so we need to find 31.2cm in the given scale (km)

we multiply 31.2cm by 5km

and divide the result by 2cm

as follows

31.2cm*5km=156cm*km

156cm*km/2cm=78km

finally the answer is 78 km

7 0

4 years ago