All 100 targets have a solution.
\(1 = 40 - 39 \)
\(2 = 3 - 49^{0 }\)
\(3 = 4 - 39^{0 }\)
\(4 = 39 \cdot 0 + 4 \)
\(5 = 39^{0} + 4 \)
\(6 = \frac{ 30 }{ 9 - 4 }\)
\(7 = 49^{0} + 3 !\)
\(8 = \sqrt{94 - 30 }\)
\(9 = 34 \cdot 0 + 9 \)
\(10 = 34^{0} + 9 \)
\(11 = \frac{ 90 }{ 3! } - 4 \)
\(12 = 30 - \sqrt{4} \cdot 9 \)
\(13 = 40 - 3 \cdot 9 \)
\(14 = \frac{ 30 }{ \sqrt{9} } + 4 \)
\(15 = 30 - 4! + 9 \)
\(16 = \frac{ 49 - 0! }{ 3 }\)
\(17 = 30 - 4 - 9 \)
\(18 = 30 - 4 \cdot \sqrt{9 }\)
\(19 = 49 - 30 \)
\(20 = \sqrt{403 - \sqrt{9 }}\)
\(21 = \sqrt{40 + 9} \cdot 3 \)
\(22 = \sqrt{490 - 3 !}\)
\(23 = 30 - \sqrt{49 }\)
\(24 = \frac{ 30 }{ \sqrt{4} } + 9 \)
\(25 = 30 + 4 - 9 \)
\(26 = \frac{ 90 }{ 3 } - 4 \)
\(27 = ( 4 - 3^{0} ) \cdot 9 \)
\(28 = 40 - 3 - 9 \)
\(29 = 30 - 4 + \sqrt{9 }\)
\(30 = ( 4 - \sqrt{9} ) \cdot 30 \)
\(31 = 30 + 4 - \sqrt{9 }\)
\(32 = \frac{ 90 }{ 3 } + \sqrt{4 }\)
\(33 = 34 - 9^{0 }\)
\(34 = 0 \cdot 9 + 34 \)
\(35 = 30 - 4 + 9 \)
\(36 = \sqrt{4 \cdot 9} + 30 \)
\(37 = 30 + \sqrt{49 }\)
\(38 = 39 - 4^{0 }\)
\(39 = 0 \cdot 4 + 39 \)
\(40 = 4^{0} + 39 \)
\(41 = 30 + \sqrt{4} + 9 \)
\(42 = 43 - 9^{0 }\)
\(43 = 30 + 4 + 9 \)
\(44 = 9^{0} + 43 \)
\(45 = 30 + 4! - 9 \)
\(46 = 40 - 3 + 9 \)
\(47 = 90 - 43 \)
\(48 = 49 - 3^{0 }\)
\(49 = 0 \cdot 3 + 49 \)
\(50 = 3^{0} + 49 \)
\(51 = 30 \cdot \sqrt{4} - 9 \)
\(52 = 40 + 3 + 9 \)
\(53 = 93 - 40 \)
\(54 = ( 30 - 4! ) \cdot 9 \)
\(55 = 40 + 3! + 9 \)
\(56 = 90 - 34 \)
\(57 = 30 + 4! + \sqrt{9 }\)
\(58 = 3 \cdot \sqrt{9}! + 40 \)
\(59 = 3! \cdot 9 + 0! + 4 \)
\(60 = \frac{ 40 \cdot 9 }{ 3 ! }\)
\(61 = 4^{0 + 3} - \sqrt{9 }\)
\(62 = 39 - 0! + 4 !\)
\(63 = 30 + 4! + 9 \)
\(64 = 94 - 30 \)
\(65 = 9^{0} + 4^{3 }\)
\(66 = 4 \cdot 9 + 30 \)
\(67 = 3 \cdot 9 + 40 \)
\(68 = ( \sqrt{9} - 0! ) \cdot 34 \)
\(69 = 30 \cdot \sqrt{4} + 9 \)
\(70 = 93 + 0! - 4 !\)
\(71 = 3^{4} - 0! - 9 \)
\(72 = ( 0 + 3 )^{4} - 9 \)
\(73 = 4^{0 + 3} + 9 \)
\(74 = 4^{3} + 0! + 9 \)
\(75 = ( 9^{0} + 4! ) \cdot 3 \)
\(76 = ( 39 - 0! ) \cdot \sqrt{4 }\)
\(77 = 39 \cdot \sqrt{4} - 0 !\)
\(78 = 90 - 3 \cdot 4 \)
\(79 = 30 + 49 \)
\(80 = \frac{ 30 \cdot 4! }{ 9 }\)
\(81 = 90 - 3^{\sqrt{4 }}\)
\(82 = 90 - \sqrt{4}^{3 }\)
\(83 = 90 - 3 - 4 \)
\(84 = ( 30 - 9 ) \cdot 4 \)
\(85 = 90 - 3 - \sqrt{4 }\)
\(86 = 30 \cdot \sqrt{9} - 4 \)
\(87 = \sqrt{( 90 - 3 )^{\sqrt{4 }}}\)
\(88 = 90 - 3! + 4 \)
\(89 = 90 + 3 - 4 \)
\(90 = ( 4 - 3 ) \cdot 90 \)
\(91 = 90 - 3 + 4 \)
\(92 = 93 - 4^{0 }\)
\(93 = ( 40 - 9 ) \cdot 3 \)
\(94 = 4^{0} + 93 \)
\(95 = 3^{0} + 94 \)
\(96 = 3 \cdot \sqrt{4} + 90 \)
\(97 = 90 + 3 + 4 \)
\(98 = ( 3 - 0! ) \cdot 49 \)
\(99 = 3^{\sqrt{4}} + 90 \)
\(100 = \frac{ 30^{\sqrt{4}} }{ 9 }\)