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, .
Make (-12) 12. now add 12 and 32.
44 is the answer.
Answer:
225 seconds
Step-by-step explanation:
First,
1km = 1000 meter
This means,
0.9 km = 900 meter
Second, to find the time taken,
0.25 x 900 = 225
Therefore,
225 seconds
Hope this helps!!
If it is correct, please mark me brainliest :)
Answer: 12:1
Step-by-step explanation: Brian rides his bike 12 miles in 2 hours
I don’t understand the question