QUESTION IMAGE
Question
simplify by using the order of operations.
(10.49 - (15.21 - 13.91)^2 = \square)
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Decimal Arithmetic"
],
"new_concepts": [
"Order of Operations",
"Decimal Exponents"
],
"current_concepts": [
"Decimal Arithmetic",
"Order of Operations",
"Decimal Exponents"
]
}
</pre_analysis>
<reasoning>
Subtract inside the parentheses
\[
15.21 - 13.91 = 1.3
\]
Evaluate the exponent
\[
(1.3)^2 = 1.69
\]
Subtract from the first term
\[
10.49 - 1.69 = 8.8
\]
</reasoning>
<answer>
Simplify by using the order of operations.
\[10.49 - (15.21 - 13.91)^2 =\] <blank>\(8.8\)</blank>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Order of Operations"
]
}
</post_analysis>
Snap & solve any problem in the app
Get step-by-step solutions on Sovi AI
Photo-based solutions with guided steps
Explore more problems and detailed explanations
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Decimal Arithmetic"
],
"new_concepts": [
"Order of Operations",
"Decimal Exponents"
],
"current_concepts": [
"Decimal Arithmetic",
"Order of Operations",
"Decimal Exponents"
]
}
</pre_analysis>
<reasoning>
Subtract inside the parentheses
\[
15.21 - 13.91 = 1.3
\]
Evaluate the exponent
\[
(1.3)^2 = 1.69
\]
Subtract from the first term
\[
10.49 - 1.69 = 8.8
\]
</reasoning>
<answer>
Simplify by using the order of operations.
\[10.49 - (15.21 - 13.91)^2 =\] <blank>\(8.8\)</blank>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Order of Operations"
]
}
</post_analysis>