Answer:
third option
Step-by-step explanation:
Given
3 [tex]\left[\begin{array}{ccc}-2&5\\1&0\\\end{array}\right][/tex]
Multiply each element in the matrix by 3
= [tex]\left[\begin{array}{ccc}3(-2)&3(5)\\3(1)&3(0)\\\end{array}\right][/tex]
= [tex]\left[\begin{array}{ccc}-6&15\\3&0\\\end{array}\right][/tex]
