B. Write each of the following in standard form.
1. 5 thousands, 7 hundreds, 90 tens
2. 168 thousands, 15 hundreds
3. 300 000 + 2000+20+5
4. Three million, six hundred fifty thousand
5. Eighty-eight million, eight thousand.
6.65 million sixty-five
7. 15 billion
Answers & Comments
1. 5,790
2. 168,090
3. 302025
4. 3,650,000
5. 88,008,000
6.65,000,065
7. 15,000,000,000