Round the number. Write the result as the product of a single digit and a power of 10.
879,679,466
879,679,466≈900,000,000 ( Round off to the nearest 100,000,000)
900,000,000=9×100,000,000 ( Factor out 9)
9×100,000,000=9×108 ( Write 100,000,000 as power of 10 )
Hence the result is 9×108
0.00000129624Round the number. Write the result as the product of a single digit and a power of 10.6ce3837352da97c48986b
Round the number. Write the result as a product of a single digit and a power of 10.
0.00001726
0.000000647
Round the number. Write the result as the product of a single digit and a power of 10
0.0000001801
Round the number. Write the result as a product of a single digit and a power of 10.0.00063718