Question

Write these expanded forms as whole numbers.

a)1 000 000 000 [phone]+20 000 000 +4 000 000+600 000 +90 000+5000 +800 +30 +1

Answer 1

$$1 000 000 000 [phone]+20 000 000 +4 000 000$$

$$+600 000 +90 000+5000 +800 +30 +1$$

$$=1 724 695 831$$