1 multiplied by b squared multiplied by c squared

1 multiplied by b squared multiplied by c squared

b squared means we raise b to the power of 2:
b^2

c squared means we raise c to the power of 2:
c^2

b squared multiplied by c squared
b^2c^2

1 multiplied by b squared multiplied by c squared means we multiply 1 by b^2c^2
1b^2c^2

Multiplying by 1 can be written by removing the 1 since it's an identity multiplication:
b^2c^2