Question: Review the following code: $var 1 = 6 ; $var 2 = 8 ; $var 3 = 0 ; $var 7 = 1 5 ;

Review the following code:
$var1=6;
$var2=8;
$var3=0;
$var7=15;
Which of the following statements is true?
$var1 is a string.
print($var7); will print 15.
The semicolon is not needed.
These are not scalars.

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