Is it possible for a 5 digit number to be rounded to a 6 digit number

Mathematics

2 answers:

Alexandra [31]2 years ago

6 0

No because no matter what you round it to you will always be multiplying the 5 digit number by itself that many times

IrinaK [193]2 years ago

5 0

When we round a number the new rounded number is simpler but the value is kept close to what it was. The common method for rounding numbers is the following: we decide which is the last digit to keep and leave this digit the same the same if the next digit is less than 5 or increase it by 1 if the next digit is bigger than 5.
Because the next digit matter, it is not possible for a 5 digit number to be rounded to 6 digit number.

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one third of a land is on maize, a fifth of the remainder is on potatoes and the rest which is 0.5 ha is on beans. how much of t

disa [49]

Answer: $1250\ m^2$

Step-by-step explanation:

Let x= Total land.

Then for Maize = $\dfrac{x}{3}$

For Potatoes = $\dfrac15(x-\dfrac {x}{3})=\dfrac15(\dfrac{2x}{3})=\dfrac{2}{15}x$

For beans = $x- (\dfrac{x}{3}+\dfrac{2}{15}x)=0.5 \ ha$

$\Rightarrow\ x- (\dfrac{5x+2x}{15})=0.5 \ ha\\\\\Rightarrow\ x- (\dfrac{7x}{15})=0.5 \ ha\\\\\Rightarrow\ \dfrac{15x-7x}{15}=0.5 \ ha\\\\\Rightarrow\ \dfrac{8x}{15}=0.5 \ ha\\\\\Rightarrow\ x=0.5\times\dfrac{15}{8} \ ha\\\\\Rightarrow\ x=0.9375 \ ha$