Answer:
First Question:
0042=4210000=42104=42⋅1104.
Recall that 1ab=a−b and vice versa,
so we can write 42⋅1104=42⋅10−4 .
The correct option is (D)
Second Question:
6120 is your answer
Take the decimal in 6.12 and move it to the right three times. You should get your answer.
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Answer:
a = 15
Step-by-step explanation:
screenshots below should explain the answer :)
Answer:
232.045
Step-by-step explanation:
217 + 253 + 214 + 247 + 217 + 253 + 232 + 246 + 223 + 227 + 229 + 247 + 206 + 241 + 239 + 223 + 222 + 216 + 252 + 209 + 236 + 256 = 5105
5105 / 22 = 232.045454545
15y + 31 = 61
15y = 61 - 31
15y = 30
y = 30 ÷ 15
<u>y = 2</u>
