If you write every number once, then you will write the number nine exactly once. If you mean "... the digit9, it should appear 20 times: 10 times in the ten's place, and 10 times in the one's place.
600
It is: 2.8*10^10 which means 2.8 times 10 to the power of 10
It is: 4.6*10^10 which means 4.6 times 10 to the power of 10
You write it as 6.28*106
If you write every number once, then you will write the number nine exactly once. If you mean "... the digit9, it should appear 20 times: 10 times in the ten's place, and 10 times in the one's place.
80
7.73 times 10 to the -3 = 0.00773
1.86 times 10 to the 5th power = 186,000
600
13*10 = 100 + 30
It is: 2.8*10^10 which means 2.8 times 10 to the power of 10
It is: 4.6*10^10 which means 4.6 times 10 to the power of 10
You write it as 6.28*106
10 to the third power equals 10 times 10 times 10
5 x 10^3 x 7 x 10^4
5.9 × 10-10 written in standard notation is 0.00000000059