Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 45,186,035,654,278,919,137,752,497,367,120,227,373,618,503,683,878,745,707,933,503,721,168,709,990,211,609,655,711,908,087,916,617,647,830,867,010,406,377,079,801,096,731,223,913,854,266,502,685,830,596,221,250,525,440,202,710,393,970,421,747,821,737,382,820,134,537,413,144,898,331,753,191,393,798,435,897,344 (~4.5186035654279E+214 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,374,292,299,805,182,641,416,236,779,928,961,683,924,660,980,417,301,714,952,557,889,946,140,664,257,381,535,432,583,576,173,872,150,436,208,022,416,319,517,456,890,703,014,159,975,713,761,980,028,831,736,406,665,398,227,074,546,630,308,858,231,477,756,457,454,532,036,394,299,730,431,814,557,887,501,043,861,495,702,371,537,222,827,016,962,621,437,875,487,583,637,132,824,986,982,224,964,354,048 (~1.3742922998052E+279 million trillion)