Question

Express your answer in scientific notation. 2.2 · 106 – 4.3 · 105 = PLEASE SOMEONE ANSWER

Answer 1

-2.183 • 10^2

Step by step

2.2•106 - 4.3•105

223.2-451.5

-218.3

(move decimal place 2 to the left - the 2 represents what the power of 10 should be and since the decimal moves to the left, that means that the 2 should be positive)

so your answer is -2.183 • 10^2