MCQ Questions for Class 8 Maths Chapter 12 Exponents and Powers with Answers Advertisement 1. am ÷ an is equal to (A) am-n(B) am+n(C) amn(D) an-m Option AOption BOption COption DQuestion 1 of 252. (am)n is equal to (A) am+n(B) am-n(C) amn(D) an-mOption AOption BOption COption DQuestion 2 of 253. am × bm is equal to (A) (ab)m(B) (ab)-m(C) am b (D) abmOption A Option BOption C Option D Question 3 of 254. am x am is equal to (A) am+n(B) am-n(C) amn(D) an-mOption A Option B Option C Option D Question 4 of 255. a0 is equal to01-1aQuestion 5 of 256. 2 × 2 × 2 × 2 × 2 is equal to (A) 24(B) 2³ (C) 2² (D) 25Option AOption BOption COption DQuestion 6 of 257. In 10², the exponent is1210Question 7 of 258. In 10² the base is10 10100Question 8 of 259. The multiplicative inverse of 2-3 is2323Question 9 of 2510. The multiplicative inverse of 105 is (A) 5 (B) 10 (C) 10-5(D) 105.Option AOption BOption COption DQuestion 10 of 2511. The multiplicative inverse of 122 is 22 (A) 25(B) 2² (C) 2 (D) 1.Option AOption BOption COption DQuestion 11 of 2512. The multiplicative inverse of 1010 is (A) 10 (B) 1/10(C) 10-10(D) 1010.Option AOption BOption COption DQuestion 12 of 2513. The multiplicative inverse of am is (A) a (B) m (C) am(D) a-mOption AOption BOption COption DQuestion 13 of 2514. 5³ × 5-1 is equal to (A) 5 (B) 5³ (C) 5-1(D) 5²Option AOption BOption COption DQuestion 14 of 2515. (- 2)-5 x (-2)6 is equal to2-2-56Question 15 of 2516. 3² × 3-4 × 35 is equal to (A) 3 (B) 3² (C) 3³ (D) 35Option AOption BOption COption DQuestion 16 of 2517. (1/2)-4 is equal to (A) 2 (B) 2-4(C) 1Option AOption BOption CQuestion 17 of 2518. (2° + 4-1) × 2² is equal to2345Question 18 of 2519. (2-1 + 3-1 + 5-1)0 is equal to2351Question 19 of 2520. 3m + 3-3 = 35 ⇒ m is equal to1234Question 20 of 2521. (-2)m+1 × (-2)4 = (-2)6 ⇒ m =01-1none of theseQuestion 21 of 2522. (-1)50 is equal to-1150-50Question 22 of 2523. (-1)51 is equal to-1151-51Question 23 of 2524. 149600000000 is equal to (A) 1.496 × 1011(B) 1.496 × 1010(C) 1.496 × 1012(D) 1.496 × 108Option AOption BOption COption DQuestion 24 of 2525. 300000000 is equal to (A) 3 × 108(B) 3 × 107(C) 3 × 106(D) 3 × 109Option AOption BOption COption DQuestion 25 of 25 Loading...
Exponent an power