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grin007 [14]
3 years ago
9

When you describe a quantity with more than one familiar unit (such as kilometers or millimeters for a length), how can you deci

de which is a more appropriate unit to use? While it is not incorrect to use the less appropriate unit, why do you want to avoid using it anyway?
Mathematics
2 answers:
viktelen [127]3 years ago
8 0
You can decide by seeing which one measures object better. you want to avoid using the incorrect unit because it can meaure it wrong or it won't be as accurate as the right unit
Stolb23 [73]3 years ago
8 0

Answer:

When we use smaller units to describe something bigger, it becomes lengthy and confusing to calculate.

Like, if we want to tell the weight of a truck, it is better to use tons rather than grams.

Because 1 ton has 907185 grams approx. So, you can see the calculation becomes long, if we want to convert 5 tons to grams and it will be difficult to say that a truck weighs 4.536e+6 grams.

This is why we avoid using smaller units for larger things.

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Sarah invested £12000 in a unit trust 5 years ago, the value of the unit trust increased by 7% per annum for each of the last 3
trasher [3.6K]

Answer:

The current price of the unit trust =  £13,831.72

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Since it increased 7% per annum in last three years and decreased by 3% per annum before that, it implies that the unit trust decreased by 3% per annum for the first 2 years and then increased by 7% per annum for the next 3 years in the total 5 year period

The invested after 2 years = 12,000*(1-0.03)^2 = £11,290.8

This amount then grows by 7% for the next 3 years making it = 11,290.80*(1+0.07)^3 =  £13,831.7155 = £13,831.72 (Rounded to 2 decimals)

The current price of the unit trust =  £13,831.72 (Rounded to 2 decimals)

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A falcon can fly 322 km/h how many meters per hour can the falcon fly
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