Ten times nine equals ninety.
1,000,000,000
91.4444
9+90=99 (90 is ten times as much as 9)
To multiply something by a power of ten, as here, add 4 zeros after the nine (since the power is 4). In the case of a decimal (such as 9.14 times ten to the power 6), move the decimal point (in this example) six positions to the right, filling out with zeros where required.
9 million.
7,000,000,000. Which is 7 billion.
Ten times nine equals ninety.
1,000,000,000
91.4444
9+90=99 (90 is ten times as much as 9)
To multiply something by a power of ten, as here, add 4 zeros after the nine (since the power is 4). In the case of a decimal (such as 9.14 times ten to the power 6), move the decimal point (in this example) six positions to the right, filling out with zeros where required.
The scientific notation of 2210000000 is 2.21 x 10^9.
9 times out of ten
1.30 x 10 to the power of 9 is 1,300,000,000. Basically, take the power of ten and move the decimal place that many times. (If the power is negative, move to the left, rather than right.
3.5 times 10 to the 9 power = 3,500,000,000
9 times 9 times 9 equals 729