3 years ago

Which of the following is not true about energy in ecosystems?

Mathematics

1 answer:

vovikov84 [41]3 years ago

4 0

Answer:

Step-by-step explanation:

most energy don't enter the ecosystem through sunlight, there's water too, and air

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Choose the correct simplification of the expression a to the 7th power times b to the 8th power all over a to the 4th power time

pantera1 [17]

The simplification of the expression will be as follows:
(a^7b^8)/(a^4b^4)
According to the rules of indices, when you divide numbers with the same base, it's the same as subtracting their powers. Hence we shall have:
(a^7b^8)/(a^4b^4)
=(a^(7-4))(b^(8-4))
=a^3b^4
the answer is a^3b^4

6 0

3 years ago

Read 2 more answers

Look at the image below

Klio2033 [76]

Answer:

your answer will be 12

Step-by-step explanation:

$4x-6=42\\\\4x=42+6\\\\4x=48\\\\x=12$