Answer:
Hence, 12,90,000 can be expressed as 
.
Step-by-step explanation:
- Given 12,90,000
- Use given, move the decimal point so that first factor is greater than or equal to 1 but less than 10 .
- Then count n and write in scientific notation.
Step 1 of 1
Consider 12,90,000
1.29
So, 1.29 lies between 1 & 10.
Now, Decimal moved to 6 places at left.
So, 
.
Step-by-step explanation:
to find the area of a circle, it is pi times radius squared. so 1 times pi squared is pi^2 the area is 4 plus 2pi^2
Answer: I am pretty sure its 15 for Bs age!
Step-by-step explanation: All I did is find the equivalent ratio!
5 x 3 is 15 and 6 x 3 is 18
Answer:
Multipy by 2.5
Step-by-step explanation:
If you multiply 10 and 2 by 2.5 you would get 25 and 5
You multiply 12 with the number in the column
