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Question text

Suppose you wanted to reserve space in memory for one number of type$$float$$and then store the memory location in a variable$$num$$of type$$float $*.$ Which of the following would be the correct way to do so$?$

Question $1$Answer

a$.$

$($float $*)$ num $=$ malloc $($float$)$;

b$.$

num $=$ malloc$($float $*)$;

c$.$

num $=($float $*)$ malloc$($sizeof$($float$))$;

d$.$

num $=($float$)$ malloc$($sizeof$($float $*))$;