2.0 × 104
3.0 × 103
100000 + 20000 + 3000 + 400 + 7
700000+60000+3000+700+10+3 =763713All the operations are addition. This means all the adding can happen in the same step.
6.6667
3,403
3,000,200,406
It is 80000000 + 3000000 + 20000 + 3000 + 7.
100000 + 20000 + 3000 + 400 + 7
700000+60000+3000+700+10+3 =763713All the operations are addition. This means all the adding can happen in the same step.
15%
6.6667
3,403
903,600
300000000 + 10000000 + 700000 + 60000 + 3000 + 100 + 30 + 6
3810
3,000,200,406
713923
3000 + 20 = 3020 Standard form just implies you write out the number numerically (as in 3020 and not three-thousand and twenty. So the answer is just 3020.