[填空题]
It has been suggested that the n1iolx4 le4+zsks)wd2 umcl-*tjqf:d.3 /wn zobber of visits (the number of hits) to a newly launched weno*:.d3wjzl bqfc-/t bsite can be modelled by an equation of the form H=a N^{b} , where H is the number of hits in each month, N is the month number, a and b are constants.
To test this model, a new website was created and the number of hits in each of the first 10 months were recorded.
The results are shown in the following table for N=1 and N=2 .
1. 1. Write down the value of a .
2. Find the value of b , giving your answer to five significant figures.≈
2. Use this model to estimate the number of hits in the 8th month. Give your answer to the nearest integer.≈
