All 100 targets have a solution.
\(1 = 48^{9 - 9 }\)
\(2 = \frac{ 98 }{ 49 }\)
\(3 = 84 - 9 \cdot 9 \)
\(4 = 98 - 94 \)
\(5 = 94 - 89 \)
\(6 = \sqrt{49} + 8 - 9 \)
\(7 = \sqrt{98 - 49 }\)
\(8 = \frac{ 48 }{ 9 - \sqrt{9 } }\)
\(9 = ( 8 - \sqrt{49} ) \cdot 9 \)
\(10 = 8 - \sqrt{49} + 9 \)
\(11 = \sqrt{8 \cdot 9 + 49 }\)
\(12 = 4 + 8 - 9 + 9 \)
\(13 = \frac{ 48 - 9 }{ \sqrt{9 } }\)
\(14 = \frac{ 98 }{ \sqrt{49 } }\)
\(15 = 99 - 84 \)
\(16 = \frac{ 48 \cdot \sqrt{9} }{ 9 }\)
\(17 = 98 - 9^{\sqrt{4 }}\)
\(18 = \sqrt{49} + 8 + \sqrt{9 }\)
\(19 = \frac{ 48 + 9 }{ \sqrt{9 } }\)
\(20 = \frac{ 89 - 9 }{ 4 }\)
\(21 = \sqrt{48 \cdot 9 + 9 }\)
\(22 = 94 - 8 \cdot 9 \)
\(23 = 8 \cdot 9 - 49 \)
\(24 = ( 98 - 94 )!\)
\(25 = \frac{ 48 }{ \sqrt{9} } + 9 \)
\(26 = ( 8 - \sqrt{9} )! - 94 \)
\(27 = ( 4 + 8 - 9 ) \cdot 9 \)
\(28 = \frac{ 84 \cdot \sqrt{9} }{ 9 }\)
\(29 = \sqrt{49 \cdot 9} + 8 \)
\(30 = 48 - 9 - 9 \)
\(31 = \frac{ 84 + 9 }{ \sqrt{9 } }\)
\(32 = 49 - 8 - 9 \)
\(33 = 9 \cdot 9 - 48 \)
\(34 = \frac{ 94 + 8 }{ \sqrt{9 } }\)
\(35 = 99 - 8^{\sqrt{4 }}\)
\(36 = 48 - 9 - \sqrt{9 }\)
\(37 = \frac{ 84 }{ \sqrt{9} } + 9 \)
\(38 = 49 - 8 - \sqrt{9 }\)
\(39 = 48 - \sqrt{9 \cdot 9 }\)
\(40 = 89 - 49 \)
\(41 = 4 \cdot 9 + 8 - \sqrt{9 }\)
\(42 = 48 - 9 + \sqrt{9 }\)
\(43 = \frac{ 89 - \sqrt{9} }{ \sqrt{4 } }\)
\(44 = 49 - 8 + \sqrt{9 }\)
\(45 = 48 - \frac{ 9 }{ \sqrt{9 } }\)
\(46 = \frac{ 89 + \sqrt{9} }{ \sqrt{4 } }\)
\(47 = 48 - \frac{ 9 }{ 9 }\)
\(48 = 48 - 9 + 9 \)
\(49 = 98 - 49 \)
\(50 = 49 - 8 + 9 \)
\(51 = 99 - 48 \)
\(52 = \frac{ 98 }{ \sqrt{4} } + \sqrt{9 }\)
\(53 = 89 - 4 \cdot 9 \)
\(54 = 48 - \sqrt{9} + 9 \)
\(55 = \sqrt{49} \cdot 9 - 8 \)
\(56 = 89 - 4! - 9 \)
\(57 = \sqrt{9 \cdot 9} + 48 \)
\(58 = \frac{ 98 }{ \sqrt{4} } + 9 \)
\(59 = ( 8 + 9 ) \cdot 4 - 9 \)
\(60 = 48 + \sqrt{9} + 9 \)
\(61 = 8 \cdot 9 - \sqrt{4} - 9 \)
\(62 = 98 - 4 \cdot 9 \)
\(63 = ( 9 - \frac{ 8 }{ 4 } ) \cdot 9 \)
\(64 = 8^{9 - \sqrt{49 }}\)
\(65 = \sqrt{49} \cdot 8 + 9 \)
\(66 = 48 + 9 + 9 \)
\(67 = 99 - 4 \cdot 8 \)
\(68 = 89 - 4! + \sqrt{9 }\)
\(69 = 9 \cdot 9 - 4 - 8 \)
\(70 = 94 - 8 \cdot \sqrt{9 }\)
\(71 = \sqrt{49} \cdot 9 + 8 \)
\(72 = 84 - 9 - \sqrt{9 }\)
\(73 = 8 \cdot \sqrt{9} + 49 \)
\(74 = 89 - 4! + 9 \)
\(75 = \sqrt{9} \cdot 9 + 48 \)
\(76 = 89 - 4 - 9 \)
\(77 = 94 - 8 - 9 \)
\(78 = 84 - 9 + \sqrt{9 }\)
\(79 = 8 \cdot 9 + \sqrt{49 }\)
\(80 = 98 - \sqrt{4} \cdot 9 \)
\(81 = 84 - \frac{ 9 }{ \sqrt{9 } }\)
\(82 = 89 - \sqrt{49 }\)
\(83 = \frac{ 498 }{ \sqrt{9 }! }\)
\(84 = 84 - 9 + 9 \)
\(85 = \frac{ 9 }{ 9 } + 84 \)
\(86 = 98 - 4 \cdot \sqrt{9 }\)
\(87 = 99 - 4 - 8 \)
\(88 = 89 - 4 + \sqrt{9 }\)
\(89 = ( 4 - \sqrt{9} ) \cdot 89 \)
\(90 = 84 - \sqrt{9} + 9 \)
\(91 = 98 - \sqrt{49 }\)
\(92 = 98 - \sqrt{4 \cdot 9 }\)
\(93 = 94 + 8 - 9 \)
\(94 = 89 - 4 + 9 \)
\(95 = 94 - 8 + 9 \)
\(96 = \sqrt{49} + 89 \)
\(97 = 99 - \frac{ 8 }{ 4 }\)
\(98 = ( 4 - \sqrt{9} ) \cdot 98 \)
\(99 = 94 + 8 - \sqrt{9 }\)
\(100 = 89 + \sqrt{4} + 9 \)