Answer:
hahah 0x
Step-by-step explanation:
Your answer is because 4•1=4 and 4•2=8
Answer:
16x
Step-by-step explanation:

Subtract the numbers: 9 - 5 = 4

Multiply the numbers: 
=16x
Answer:
2²×3²×5
Step-by-step explanation:
A prime number is a whole number greater than 1 that can not be found by multiplying other whole numbers
Write 180 in form of prime numbers multiples
180=2×90
=2×2×45
=2×2×3×15
=2×2×3×3×5
=2²×3²×5