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kvasek [131]
2 years ago
15

How many 3-digit numbers contain at least one zero?

Mathematics
1 answer:
zalisa [80]2 years ago
8 0

Answer:

171

Step-by-step explanation:

100

101

102

103

104

105

106

107

108

109

110

120

130

140

150

160

170

180

190

200

201

202

203

204

205

206

207

208

209

210

220

230

240

250

260

270

280

290

300

301

302

303

304

305

306

307

308

309

310

320

330

340

350

360

370

380

390

400

401

402

403

404

405

406

407

408

409

410

420

430

440

450

460

470

480

490

500

501

502

503

504

505

506

507

508

509

510

520

530

540

550

560

570

580

590

600

601

602

603

604

605

606

607

608

609

610

620

630

640

650

660

670

680

690

700

710

720

730

740

750

760

770

780

790

800

801

802

803

804

805

806

807

808

809

810

820

830

840

850

860

870

880

890

900

901

902

903

904

905

906

907

908

909

910

920

930

940

950

960

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980

990

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