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shepuryov [24]
3 years ago
12

Express this number in scientific notation 0.00045

Mathematics
1 answer:
Sholpan [36]3 years ago
3 0

Answer:

The answer is. 4.5x10^-4

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent would be positive. Hope this helps!

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Marcie likes to collect stickers, but she also likes to give them away. Currently, Marcie has 87 stickers in her collection. If
pishuonlain [190]

Answer: 97 stickers

Step-by-step explanation:

Marie has 87 stickers in her collection.

Each week she collects 5 and gives away 3.

The total number of stickers she gains per week is therefore:

= 5 - 3

= 2 stickers per week

In 5 weeks therefore, she would have collected:

= 2 * 5

= 10 stickers

Add that to the original number:

= 87 + 10

= 97 stickers

3 0
3 years ago
Solve the proportion. Show you work. 3/x+1=5/11
AlexFokin [52]

Answer:

x = \frac{28}{5}

Step-by-step explanation:

given

\frac{3}{x+1} = \frac{5}{11} ( cross- multiply )

5(x + 1) = 33

5x + 5 = 33 ( subtract 5 from both sides )

5x = 28 ( divide both sides by 5 )

x = \frac{28}{5}

6 0
4 years ago
True or false: any nonzero integers, the product and the quotient have the same sign. Why?
serg [7]
False. This is because no matter what the number is, the properties of multiplication and division stay the same. So, if one odd and even number multiply/divide, then the answer will be negative. But, if two numbers of the same sign (both either negative or positive) are divided/multiplied, they will both be positive. Therefore, the result is not always the same sign as the starting integers

Hope this helped! :D
3 0
3 years ago
(05.05 MC) The length of a rectangl e is shown below: A B 4 31 2 1 -6 -5 4 3 2 0 2 -1 -2 -3 4 -5 If the area of the rectangle to
kolbaska11 [484]

Answer:

ポイントが欲しいだけなのかわからない

Step-by-step explanation:

ポイントが欲しいだけなのかわからない

4 0
3 years ago
2X^2 - 9x + 10 . solve by factoring area model (show work)​
Anastaziya [24]

Step-by-step explanation:

2x²_4x_5x+10

2x(x-2)-5(x-2)

(2x-5)(x-2)

6 0
3 years ago
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