All 100 targets have a solution.
\(1 = ( 469 \cdot 0 )!\)
\(2 = \frac{ \frac{ 6! }{ 40 } }{ 9 }\)
\(3 = 4 - 69^{0 }\)
\(4 = 69 \cdot 0 + 4 \)
\(5 = 6 - 49^{0 }\)
\(6 = 49 \cdot 0 + 6 \)
\(7 = 49^{0} + 6 \)
\(8 = \sqrt{\sqrt{4096 }}\)
\(9 = 46 \cdot 0 + 9 \)
\(10 = 46^{0} + 9 \)
\(11 = 60 - 49 \)
\(12 = \frac{ 60 }{ 9 - 4 }\)
\(13 = \sqrt{40 + 9} + 6 \)
\(14 = 6 \cdot 9 - 40 \)
\(15 = 0 \cdot 4 + 6 + 9 \)
\(16 = \frac{ 60 }{ \sqrt{9} } - 4 \)
\(17 = \sqrt{60 + 4} + 9 \)
\(18 = \frac{ 60 }{ 4 } + \sqrt{9 }\)
\(19 = \frac{ 90 }{ 6 } + 4 \)
\(20 = \frac{ 40 \cdot \sqrt{9} }{ 6 }\)
\(21 = \frac{ 90 - 6 }{ 4 }\)
\(22 = \sqrt{490 - 6 }\)
\(23 = 4! - 69^{0 }\)
\(24 = \frac{ 60 }{ 4 } + 9 \)
\(25 = 40 - 6 - 9 \)
\(26 = 90 - 64 \)
\(27 = \frac{ 6! }{ 40 } + 9 \)
\(28 = ( 9^{0} + 6 ) \cdot 4 \)
\(29 = 69 - 40 \)
\(30 = \frac{ 90 \cdot \sqrt{4} }{ 6 }\)
\(31 = 40 - 6 - \sqrt{9 }\)
\(32 = \frac{ 6! }{ 90 } \cdot 4 \)
\(33 = ( 0 + 4 ) \cdot 6 + 9 \)
\(34 = 94 - 60 \)
\(35 = 4 \cdot 9 - 6^{0 }\)
\(36 = 46 - 0! - 9 \)
\(37 = 40 + 6 - 9 \)
\(38 = 40 - \frac{ 6 }{ \sqrt{9 } }\)
\(39 = \frac{ 60 }{ \sqrt{4} } + 9 \)
\(40 = \frac{ 960 }{ 4 ! }\)
\(41 = \frac{ 6 }{ \sqrt{9}! } + 40 \)
\(42 = \sqrt{40 + 9} \cdot 6 \)
\(43 = 40 - 6 + 9 \)
\(44 = 90 - 46 \)
\(45 = 46 - 9^{0 }\)
\(46 = 0 \cdot 9 + 46 \)
\(47 = 9^{0} + 46 \)
\(48 = 49 - 6^{0 }\)
\(49 = 0 \cdot 6 + 49 \)
\(50 = 6^{0} + 49 \)
\(51 = \frac{ 90 }{ \sqrt{4} } + 6 \)
\(52 = 40 + 6 + \sqrt{9 }!\)
\(53 = 60 - \sqrt{49 }\)
\(54 = 46 - 0! + 9 \)
\(55 = 40 + 6 + 9 \)
\(56 = 96 - 40 \)
\(57 = 6 \cdot 9 - 0! + 4 \)
\(58 = 6 \cdot \sqrt{9} + 40 \)
\(59 = 60 - 4 + \sqrt{9 }\)
\(60 = \frac{ 40 \cdot 9 }{ 6 }\)
\(61 = 60 + 4 - \sqrt{9 }\)
\(62 = 60 - 4 + \sqrt{9 }!\)
\(63 = 64 - 9^{0 }\)
\(64 = \sqrt{4096 }\)
\(65 = 60 - 4 + 9 \)
\(66 = 90 - 4 \cdot 6 \)
\(67 = \sqrt{49} + 60 \)
\(68 = 69 - 4^{0 }\)
\(69 = 0 \cdot 4 + 69 \)
\(70 = 4^{0} + 69 \)
\(71 = 60 + \sqrt{4} + 9 \)
\(72 = \sqrt{60 + 4} \cdot 9 \)
\(73 = 60 + 4 + 9 \)
\(74 = 64 + 0! + 9 \)
\(75 = 60 + 4! - 9 \)
\(76 = 6 \cdot \sqrt{9}! + 40 \)
\(77 = ( 4 + 9 ) \cdot 6 - 0 !\)
\(78 = \sqrt{4} \cdot 9 + 60 \)
\(79 = ( 4 + 9 ) \cdot 6 + 0 !\)
\(80 = 90 - 4 - 6 \)
\(81 = 9^{6 - ( 0 + 4 )}\)
\(82 = 90 - \sqrt{64 }\)
\(83 = \frac{ 6! }{ 9 } - 0! + 4 \)
\(84 = \frac{ \sqrt{49}! }{ 60 }\)
\(85 = \frac{ 6! }{ 9 } + 0! + 4 \)
\(86 = 90 + \sqrt{4} - 6 \)
\(87 = 90 - \frac{ 6 }{ \sqrt{4 } }\)
\(88 = 90 + 4 - 6 \)
\(89 = 94 + 0! - 6 \)
\(90 = \sqrt{90^{6 - 4 }}\)
\(91 = 96 - 0! - 4 \)
\(92 = 90 - 4 + 6 \)
\(93 = 94 - 6^{0 }\)
\(94 = 6 \cdot 9 + 40 \)
\(95 = 6^{0} + 94 \)
\(96 = 4 \cdot 9 + 60 \)
\(97 = 4^{0} + 96 \)
\(98 = \sqrt{9604 }\)
\(99 = 94 - 0! + 6 \)
\(100 = 90 + 4 + 6 \)