Question

evaluate. express your answer in scientific notation.
$930,000 - 6.6 \times 10^4$
answer attempt 1 out of 2
answer: $\square \times 10^{\square}$

Explanation:

Step1: Convert 930,000 to scientific notation

$930,000 = 9.3 \times 10^5 = 93 \times 10^4$

Step2: Rewrite the expression

$93 \times 10^4 - 6.6 \times 10^4$

Step3: Subtract the coefficients

$(93 - 6.6) \times 10^4 = 86.4 \times 10^4$

Step4: Adjust to proper scientific notation

$86.4 \times 10^4 = 8.64 \times 10^5$

Answer:

$8.64 \times 10^5$