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padilas [110]
3 years ago
7

Round to the merest hundredth389.993

Mathematics
1 answer:
kvasek [131]3 years ago
3 0
What's a hundredth?

it's like this:

0.01

so where is the hundred place in this number?

389.9<em>9</em>3

it's the 9 that i made boldface

so to round to this number we delete everything after it, asking ourselves if the number after it is 4 or less? yes! so we can just delete it without changing anyway


389.99

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The sales tax on a 15,000 car is 540. at this rate what is the tax on a 32,000 car
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Note : Since unit of currency is not defined, I'll be using units.

Sales tax on a 15000 units car = 540 units
540 = 15000 × tax% / 100
=> 540 = 15000 × tax% / 100
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=> tax% = (540/15000) × 100
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now,
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