Answer:
16.7332005307
Explanation:
Rewrite 280 as 2 ^(2) ⋅ 70 .
Factor 4 out of 280 .
√ 4 ( 70 )
Rewrite 4 as 2^(2) .
√ 2 ^(2 )⋅ 70
Pull terms out from under the radical.
2√ 70
The result can be shown in multiple forms.
Exact Form:
2 √ 70
Decimal Form:
16.73320053....