Question

How many times the digit 9 occurs in the tens place in all the numbers between 100 and 1000? (Please give the complete proof of the answer)

Answer 1

Answer:

hey friend your answer is 10 times (90,91,92,93,94,95,96,97,98,99)

please mark brainliest

Answer 2

Answer:

90 Times.

Step-by-step explanation:

190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999