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Math  /  Numbers & Operations

Question2 Round each decimal number to the nearest tenth. a 1.651.65 b 0.310.31 c 8.078.07

Studdy Solution

STEP 1

What is this asking? We need to round three decimal numbers to the nearest tenth. Watch out! Remember, we're rounding to the *tenths* place, not the *tens* place!
Also, be careful with rounding up vs. rounding down.

STEP 2

1. Round 1.65
2. Round 0.31
3. Round 8.07

STEP 3

Alright, let's **round** 1.651.65 to the nearest tenth!
The tenths place is the first digit after the decimal point, which is **6**.

STEP 4

The number to the right of the **6** is **5**.
Since it's **5 or greater**, we **round up** the **6** to **7**.

STEP 5

So, 1.651.65 rounded to the nearest tenth is 1.71.7.
Boom!

STEP 6

Now, let's tackle 0.310.31.
The tenths place is **3**.

STEP 7

Looking to the right of the **3**, we see a **1**.
Since **1** is **less than 5**, we **round down**.
This means the **3** stays as it is.

STEP 8

Therefore, 0.310.31 rounded to the nearest tenth is 0.30.3.
Fantastic!

STEP 9

Finally, let's **round** 8.078.07.
The tenths place is **0**.

STEP 10

The number to the right of the **0** is **7**.
Since **7** is **greater than or equal to 5**, we **round up**.
This means the **0** becomes **1**.

STEP 11

So, 8.078.07 rounded to the nearest tenth is 8.18.1.
Awesome!

STEP 12

a. 1.71.7 b. 0.30.3 c. 8.18.1

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