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Mathematics 20 Online
OpenStudy (mstv1112):

Check my answers. Will FAN and MEDAL!! ASAP

OpenStudy (mstv1112):

1. Write using exponents: (x)(x)(x)(x)(y)(y) 2. Simplify: 25 + 3² • 5 + 4² 3. Simplify: 34 + 2 • 34 4. Simplify: Evaluate: 3x² – 4 for x = 3 5. Find the GCF: 18x³ and 30x5

OpenStudy (mstv1112):

My answers - 1.) x^4y^2 2.) 25 + 9*5 + 16 = 86 3.) 34 + 68 = 102 4.) 3*9 - 4 = 23 5.) 6x^3

OpenStudy (mstv1112):

@perl

OpenStudy (jhannybean):

1 is right,

OpenStudy (jhannybean):

2. you used PEMDAS, so your order is correct, I believe,

OpenStudy (jhannybean):

3. PEMDAS again, looks correct,

OpenStudy (jhannybean):

4. PEMDAS again, looks good.

OpenStudy (jhannybean):

5. correct.

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