Write an expression to represent:
"15 times a number w"

15×w

Step-by-step explanation:

15 times w is a number bigger 15 times or added up again and again 15 times:

w+w+w+w+w+w+w+w+w+w+w+w+w+w+w or 15×w

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6