MATHEMATICS

JAMB 2018 - Question 34

Mathematics 2018 JAMB Past Questions - Question 34: Simplify and express in standard form0.00265 x 0.0064 0.025 x 0.08

Simplify and express in standard form0.00265 x 0.0064 0.025 x 0.08
A:
B:
C:
D:
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Correct Answer

C

Explanation

Simplify and express in standard form0.00275 x 0.0064 0.025 x 0.08Removing the decimals = 275 x 64 2500 x 800 100 100= 88 /10sup4 = 88 x 10sup-4 = 8.8 x 10sup1 x 10sup-18.8 x 10sup-3To simplify and express the given products in standard form, we can follow these steps:1. For 0.00265 x 0.0064:  First, multiply the numbers as usual:  0.00265 x 0.0064 = 0.00001696  Next, express the result in standard form:  0.00001696 = 1.696 x 10^(-5)  Therefore, 0.00265 x 0.0064 in standard form is 1.696 x 10^(-5).2. For 0.025 x 0.08:  First, multiply the numbers as usual:  0.025 x 0.08 = 0.002  Next, express the result in standard form:  0.002 = 2 x 10^(-3)  Therefore, 0.025 x 0.08 in standard form is 2 x 10^(-3).So, the simplified and expressed in standard form results are:0.00265 x 0.0064 = 1.696 x 10^(-5)0.025 x 0.08 = 2 x 10^(-3)

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