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omeli [17]
3 years ago
9

Simplify the expression with using scientific notation (4 times 10 8)2

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

y = (4*10^8)^2 Both factors in the brackets are squared.

4^2 = 16

(10^8)^2 = 10^(2*8) = 10^16


y = 16 * 10^16

y = 1.6 * 10^1 * 10^16

y = 1.6 * 10^(1 + 16)

y = 1.6 * 10^(17) <<<<<< Answer I'd use the brackets unless instructed not to.

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natka813 [3]

Hey!

---------------------------------------------------------------------------

Question #1:

Least to greatest: 1.6 x 10^-2, 16%, 0.2, 3/5, 6^-1, √6

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Question #2:

Greatest to least: 5^7, 9^5, 5.9 x 10^4, 15^4, 7.8 x 10^3

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Hope This Helps :)

7 0
3 years ago
Joan needs to estimate the size of her bedroom so that she can buy enough paint to cover the walls. Two of the walls measure 2.8
labwork [276]

The total area of the room is 37.6376 and the no. of cans required to paint the wall is 3 cans.

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The measurement of the other two walls is 2.86 metres and 3.42 metres

Area of the two walls = 2(length × breadth)

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If one can of paint can cover 15 m², the no. of cans required to paint the bedroom will be

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