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weqwewe [10]
3 years ago
11

What is the first step in evaluating the expression shown below? (12.9 – 3.1) × 6.2 – 2 + 43

Mathematics
2 answers:
Oxana [17]3 years ago
7 0

Answer:

Step-by-step explanation:

(12.9-3.1)*6.2-2+43  PEDMA

9.8*6.2-2+43  Parenthesis

60.76-2+43  Multiply

101.76  add and subtract

Georgia [21]3 years ago
6 0

Each batch of cookie mix need 0.4 cups of sugar, and each batch can make 16 cookies. If Ashley is making 4 batches of cookies, how much sugar does she need?

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I need to put this in scientific notation ​
Marrrta [24]

Answer:

3.5 * 10^-12.

Step-by-step explanation:

(7 * 10^-5 ) * (5 * 10^-8)

= 35 * 10^-13

= 3.5 * 10^-12.

Note the first number must be between 1 and 10.

8 0
4 years ago
If i dont get this right my dad will be furious pls help
Nadya [2.5K]

Answer:

The answer is 6.93 inches of snow.

Step-by-step explanation:

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4 0
3 years ago
Please just help me with my last 3 question 8 and 9 area and perimeter
irinina [24]
8. Perimeter:5.9*2 or you can write 5.9+5.9 equals to 11.8 then add the 3.4
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3 0
2 years ago
Help me with this I’ll give you 5 stars and brainlyest
Elan Coil [88]

Answer:

Step-by-step explanation:

In scientific notation you move the decimal over however many spots that the exponent's number gives

5 0
4 years ago
Coach McGee uses the table to show her team’s current basketball shot average compared to previous years.
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