Use a shortcut method of your choice to complete the multiplication problems.

a. 973 * 80

b. 56 * 2,000

c. 5.7 * 300

d. 0.46 * 50

Answer with Step-by-step explanation:

a. 973 * 80

= 973 * 8 * 10

= 7784 * 10

=77840

b. 56 * 2,000

=56 * 2 * 1000

=112 * 1000

=112000

c. 5.7 * 300

=5.7 * 3 * 100

=17.1 * 100

=1710

d. 0.46 * 50

=0.46 * 5 * 10

=2.3 * 10

=23

See below.

Step-by-step explanation:

a. 973 * 80

= 973 * 8 * 10

= 7784 * 10

= 77,840.

b. 56 * 2000

= 2*56 * 1000

= 112,000.

c. 5.7 * 300

= 5.7 * 3 * 100

= 17.1 * 100

= 1710.

d. 0.46 * 50

= (0.46 * 100) / 2

= 46 / 2

= 23.