All 100 targets have a solution.
\(1 = 46^{9 - 9 }\)
\(2 = 96 - 94 \)
\(3 = \frac{ 6 }{ 9 - \sqrt{49 } }\)
\(4 = \sqrt{49} + 6 - 9 \)
\(5 = \sqrt{94 - 69 }\)
\(6 = 4 \cdot 6 - 9 - 9 \)
\(7 = \sqrt{64} - \frac{ 9 }{ 9 }\)
\(8 = \sqrt{46 + 9 + 9 }\)
\(9 = ( \sqrt{49} - 6 ) \cdot 9 \)
\(10 = \sqrt{49} - 6 + 9 \)
\(11 = \frac{ 9 }{ 9 } + 4 + 6 \)
\(12 = ( 9 - \sqrt{49} ) \cdot 6 \)
\(13 = \frac{ 96 }{ 4! } + 9 \)
\(14 = 94 - \frac{ 6! }{ 9 }\)
\(15 = \frac{ 69 - 9 }{ 4 }\)
\(16 = \frac{ 96 }{ \sqrt{4 \cdot 9 } }\)
\(17 = 9 \cdot 9 - 64 \)
\(18 = \frac{ 6! }{ 49 - 9 }\)
\(19 = 46 - \sqrt{9} \cdot 9 \)
\(20 = 69 - 49 \)
\(21 = ( 9 - 6 ) \cdot \sqrt{49 }\)
\(22 = \sqrt{49} + 6 + 9 \)
\(23 = ( 9 - 6 ) \cdot 9 - 4 \)
\(24 = ( 9 - 4 )! - 96 \)
\(25 = 94 - 69 \)
\(26 = \sqrt{64} + 9 + 9 \)
\(27 = \sqrt{49 \cdot 9} + 6 \)
\(28 = 46 - 9 - 9 \)
\(29 = \frac{ \frac{ 6! }{ 4 } }{ 9 } + 9 \)
\(30 = \frac{ 69 - 9 }{ \sqrt{4 } }\)
\(31 = \sqrt{964 - \sqrt{9 }}\)
\(32 = 96 - 4^{\sqrt{9 }}\)
\(33 = 69 - 4 \cdot 9 \)
\(34 = 49 - 6 - 9 \)
\(35 = 99 - 64 \)
\(36 = 6^{9 - \sqrt{49 }}\)
\(37 = 46 - \sqrt{9 \cdot 9 }\)
\(38 = 4 \cdot 9 + \frac{ 6 }{ \sqrt{9 } }\)
\(39 = \frac{ 69 + 9 }{ \sqrt{4 } }\)
\(40 = 94 - 6 \cdot 9 \)
\(41 = 6 \cdot 9 - 4 - 9 \)
\(42 = 4 \cdot 6 + 9 + 9 \)
\(43 = 46 - \frac{ 9 }{ \sqrt{9 } }\)
\(44 = ( \frac{ 6 }{ \sqrt{9} } + 9 ) \cdot 4 \)
\(45 = 46 - \frac{ 9 }{ 9 }\)
\(46 = 46 - 9 + 9 \)
\(47 = 96 - 49 \)
\(48 = ( 9 - 6 + 9 ) \cdot 4 \)
\(49 = \frac{ 9 }{ \sqrt{9} } + 46 \)
\(50 = \frac{ 6 }{ \sqrt{9}! } + 49 \)
\(51 = \sqrt{49} \cdot 6 + 9 \)
\(52 = 49 - 6 + 9 \)
\(53 = 99 - 46 \)
\(54 = 69 - 4! + 9 \)
\(55 = \sqrt{9 \cdot 9} + 46 \)
\(56 = 69 - 4 - 9 \)
\(57 = \sqrt{49} \cdot 9 - 6 \)
\(58 = 46 + \sqrt{9} + 9 \)
\(59 = 6 \cdot 9 - 4 + 9 \)
\(60 = 96 - 4 \cdot 9 \)
\(61 = 6 \cdot 9 + \sqrt{49 }\)
\(62 = 69 - \sqrt{49 }\)
\(63 = 64 - \frac{ 9 }{ 9 }\)
\(64 = 46 + 9 + 9 \)
\(65 = \frac{ 9 }{ 9 } + 64 \)
\(66 = \frac{ 99 \cdot 4 }{ 6 }\)
\(67 = 6 \cdot \sqrt{9} + 49 \)
\(68 = 69 - 4 + \sqrt{9 }\)
\(69 = \sqrt{49} \cdot 9 + 6 \)
\(70 = 64 - \sqrt{9} + 9 \)
\(71 = \sqrt{9}!! - 649 \)
\(72 = \sqrt{64 \cdot 9 \cdot 9 }\)
\(73 = \sqrt{9} \cdot 9 + 46 \)
\(74 = 69 - 4 + 9 \)
\(75 = 99 - 4 \cdot 6 \)
\(76 = \sqrt{49} + 69 \)
\(77 = \sqrt{4}^{\sqrt{9}} + 69 \)
\(78 = 96 - \sqrt{4} \cdot 9 \)
\(79 = 94 - 6 - 9 \)
\(80 = 69 + \sqrt{4} + 9 \)
\(81 = \sqrt{64} \cdot 9 + 9 \)
\(82 = 64 + 9 + 9 \)
\(83 = 96 - 4 - 9 \)
\(84 = 69 + 4! - 9 \)
\(85 = 94 - 6 - \sqrt{9 }\)
\(86 = 96 - 4 - \sqrt{9 }!\)
\(87 = \sqrt{4} \cdot 9 + 69 \)
\(88 = 94 - ( 9 - 6 )!\)
\(89 = 96 - \sqrt{49 }\)
\(90 = \sqrt{94 + 6} \cdot 9 \)
\(91 = 99 - \sqrt{64 }\)
\(92 = \frac{ 69 \cdot 4 }{ \sqrt{9 } }\)
\(93 = 4 \cdot \sqrt{9}! + 69 \)
\(94 = 94 - 6 + \sqrt{9 }!\)
\(95 = 96 - 4 + \sqrt{9 }\)
\(96 = ( \sqrt{49} + 9 ) \cdot 6 \)
\(97 = 94 - 6 + 9 \)
\(98 = \frac{ 49 \cdot 6 }{ \sqrt{9 } }\)
\(99 = \sqrt{99^{6 - 4 }}\)
\(100 = ( 9 - 6 )! + 94 \)