No, not in their current lineup.
No. I visited the Browning Web site and found that the only caliber they had close to the 280 was the 270. Of the moderate priced rifles a 280 can be obtained from Remington, Thompson Center and you might be able to find one in a Winchester Mod 70 Lightweight.
100-1000 USD or so
Need more specifics
Tika is a subsidiary of Sako, Berreta, company.
100-700 usd
I have had mine for 15 to 16 years. Call Browning with the serial number and they will tell you.
0-500 USD depending on condition and accessories.
100-1000 USD
As a product of its prime factors: 2*2*2*5*7 = 280
280
30% off of 280= 30% discount applied to 280= 280 - (30% * 280)= 280 - (0.30 * 280)= 280 - 84= 196
280