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Work out the value of this expressions, when p=2, q=-3, r=5: 20-pq^2r/p-q+r
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you stil need help, with it ?
its is another question
its similar to substitute the pronumerals
just substitute*
does order of operations apply?
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p=2, q=-3, r=5: 20-pq^2r/p-q+r 20-18*5/10 = -70/10 = -7
meaning working out the division problem then subtract 20
20-2(9)(5)/2+3+5=7
it's q square so 18*5=90
20-90=-70 and -70/10 = -7
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im sorrry i forgot the sign
there u go hollywood, all done.
the negative sign
yes yes, thank you
np
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actually
where can I find more of these problems so I can practice,
where did u get these???
from my GSCE textbook
they dont have any more of these?
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no
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