Problem 1 :
Evaluate :
(2.688 x 106) / (1.2 x 102)
Give your answer in scientific notation.
Problem 2 :
Evaluate :
(1.9683 x 107) / (8.1 x 105)
Give your answer in scientific notation.
Problem 3 :
Evaluate :
(1.039696 x 103) / (9.283 x 102)
Give your answer in scientific notation.
Problem 4 :
Evaluate :
(3.0 x 10-5) / (1.5 x 10-1)
Give your answer in scientific notation.
Problem 1 :
Evaluate :
(2.688 x 106) / (1.2 x 102)
Give your answer in scientific notation.
Solution :
= (2.688 / 1.2) x (106 / 102)
= (2.24) x (106-2)
= 2.24 x 104
Therefore,
(2.688 x 106) / (1.2 x 102) = 2.24 x 104
Problem 2 :
Evaluate :
(1.9683 x 107) / (8.1 x 105)
Give your answer in scientific notation.
Solution :
= (1.9683 / 8.1) x (107 / 105)
= (0.243)(107-5)
= 0.243 x 102
Write the above number in scientific notation.
= 2.43 x 10-1 x 102
= 2.43 x 10-1+2
= 2.43 x 101
Therefore,
(1.9683 x 107) / (8.1 x 106) = 2.43 x 101
Problem 3 :
Evaluate :
(1.039696 x 103) / (9.283 x 102)
Give your answer in scientific notation.
Solution :
= (1.039696 / 9.283) x (103 / 102)
= (0.112) x (103-2)
= 0.112 x 101
Write the above number in scientific notation.
= 1.12 x 10-1 x 101
= 1.12 x 10-1+1
= 1.12 x 100
Therefore,
(1.039696 x 10-3) / (9.283 x 10-2) = 1.12 x 100
Problem 4 :
Evaluate :
(3.0 x 10-5) / (1.5 x 10-1)
Give your answer in scientific notation.
Solution :
= (3.0 / 1.5) x (10-5 / 10-1)
= (2) x (10-5+1)
= 2 x 10-4
Therefore,
(3.0 x 10-5) / (1.5 x 10-1) = 2.0 x 10-4
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