Answer:

B.1 13/32

Step-by-step explanation:

=3/8×3/4×5=3/8×3/4×5/1(using a=a/1 convert the expression into a fraction)

=3/8×3/4×5/1=3×3×5/1×8×4(to multiply the fractions,multiply the numerators and denominators seperately)

=3×3×5/1×8×4=45/1×8×4(calculate the product)

=45/1×8×4=45/32(calculate the product)

=45/32=1 13/32(make it mixed number)

=1 13/32(final answer)

I hope it helps you!