joesw moer

doegyi(38)
Published in
#kin
Words
153
Reading
1 min
Listen
Play
8y
  1. The scientific notation 3.5 ×103 multiplied by 3 is
    A. 1.05 ×102 B.1.05×1010 C. 1.05×103 D.1.05×109 E. 1.05×104
  2. The scientific notation 8.2×10-4 + 5.4×10-4=………
    A.1.35×10-5 B. 1.36×10-4 C.1.36×10-3 D.1.36×10-7 E.1.36×103
  3. Which of the following is (are) true?
    A.log⁡〖(xy) 〗=log⁡x + log⁡y B. (log⁡x )^n = n log⁡x C. log_10⁡1=0
    D.log_x⁡x=1 E.log⁡(x/y)= log⁡x-log⁡y
  4. Which of the following is (are) true?
    A. 3 B. 9 C. 27 D. 81 E. x
  5. The mean height of 6 boys is 4´2´´ . The mean height ot 4 girls is 3´9´´ .The mean height of
    combined 6 boys and 4 girls is
    A.4´1´´ B.4´ C. 3´11´´ D.3´10´´ E. 41/2´
  6. For the sample 5,6,5,7,8,5,6,7,6,5 which of the following is (are) true?
    1. The median is 6 2. the mean is 6 3. the mode is 5.
      A. 1 only B.2 only C. 3 only D. 1 and 3 only E. 1 , 2 and 3
  7. For the sample 9,8,10,9,11,9,12,12 which of the following
kin
via steemit
This post was published via steemit. Ecency is not the originator or editor of this content and displays it for discovery purposes only.
207
joesw moer | Ecency