What is 0.000000000101 written in scientific notation?

1.1001×10−101.1001×10−10

1.01×10−111.01×10−11

1.1×10−111.1×10−11

1.01×10−101.01×10−10

Question

What is 0.000000000101 written in scientific notation?

​ 1.1001×10−101.1001×10−10 ​ ​

​ 1.01×10−111.01×10−11 ​ ​

​ ​ 1.1×10−111.1×10−11 ​ ​

​ 1.01×10−101.01×10−10 ​

saad560 · Answer

need help @welshfella @Awolflover1 @quickstudent @AloneS

welshfella · Answer

count the 0's after the decimal point until you reach  the first 1 ( include this 1 in the count)

saad560 · Answer

what do you by until the first

welshfella · Answer

the required number will be

|dw:1474991212064:dw|

saad560 · Answer

9

welshfella · Answer

N will be the value of your count

saad560 · Answer

n=9

welshfella · Answer

No you include the first '1'

welshfella · Answer

for exampe if we had  0.001  the counts would be 3

welshfella · Answer

the exponent is negative because the numbers are less  than 1

saad560 · Answer

oh ok i get that part now but the count is still 9 0's before the start