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madam [21]
3 years ago
14

Express 696000 in standard form​

Mathematics
1 answer:
Lapatulllka [165]3 years ago
5 0

696000 = 6.96  \times 10^{5}

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Because weightlessness in outer space causes astronauts to lose bone mass, at the end of each month, an astronaut has two percen
vlabodo [156]

Answer:

There will be 88.6% of her bone mass remaining when she returns to earth.

Step-by-step explanation:

According to the problem, the astronaut will have 2% less bone mass than at the beginning of that month. So let's say B_{0} is her original bone mass. In that case, her bone mass after the first month will be:

B_{1}=B_{0}(0.98)

on the second month, her bone mass will be:

B_{2}=B_{1}(0.98)=B_{0}(0.98)(0.98)=B_{0}(0.98)^{2}

on the third month, her bone mass will be:

B_{3}=B_{2}(0.98)=B_{0}(0.98)(0.98)(098)=B_{0}(0.98)^{3}

and so on, we can see a pattern here. The formula for her remaining bone mass can be generally written like this:

B_{n}=B_{0}(0.98)^{n}

where n is the number of months, so after 6 months, her remaining bone mass will be:

B_{6}=B_{0}(0.98)^{6}=0.886B_{0}

that 0.886 gives us the percentage as a decimal number. When turned into a percentage we get that:

There will be 88.6% of her bone mass remaining after 6 months.

7 0
3 years ago
Joan's gross pay is $400, from which $24.80 is deducted for FICA, $5.20 for Medicare, and $45 for income tax. What is her net pa
WITCHER [35]
400 - 24.80 = 375.20
375.20 - 5.20 = 370
370 - 45 = $325
8 0
3 years ago
shari’s class is making team pennants for an upcoming field day.they cut the pennants out of a large sheet of paper in the patte
Svetllana [295]
In this item, it is assumed that since the pattern is cut out of the paper which is usually a rectangle then, the shape of the pattern is also rectangle. The perimeter of the rectangle is,

           P = 2L + 2W

The area is equal to,
              Area = L x W

If we assume that length and width are equal, in order to maximize the space. 
              1600 cm² = L x L

The value of L from the equation is 40 cm. 
8 0
3 years ago
Read 2 more answers
In a class of 500 students a hundred and sixty have 320 have brown eyes and 20 green in a class of 25 students how many would ha
saveliy_v [14]

Is your question right because you said 500 students a hundred and sixty have 320 have brown eyes?


4 0
3 years ago
Four friends bought 2 pizzas and 4 large soft drinks. They shared the cost equally. Each pizza cost
valina [46]

Answer:

$7.85

Step-by-step explanation:

2 pizzas at 11.99=23.98

4 soft drinks at 1.85=$7.40

23.98+7.40=31.38

31.38/4=7.845

Each friend pays $7.845, or $7.85 .........

7 0
2 years ago
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