Math  /  Numbers & Operations

QuestionLet's estimate 83.39×0.7283.39 \times 0.72 by rounding each number to the place of its leftmost nonzero digit.
First round 83.39 to the nearest ten. 83.39 rounds to \square Now round 0.72 to the nearest tenth. 0.72 rounds to \square Multiply the rounded numbers. \square

Studdy Solution

STEP 1

1. The problem requires rounding each number to the place of its leftmost nonzero digit.
2. The leftmost nonzero digit for 83.39 is in the tens place.
3. The leftmost nonzero digit for 0.72 is in the tenths place.
4. After rounding, we multiply the rounded numbers to get an estimated product.

STEP 2

1. Round 83.39 to the nearest ten.
2. Round 0.72 to the nearest tenth.
3. Multiply the rounded numbers to get an estimated product.

STEP 3

Round 83.39 to the nearest ten.
83.3980 83.39 \approx 80

STEP 4

Round 0.72 to the nearest tenth.
0.720.7 0.72 \approx 0.7

STEP 5

Multiply the rounded numbers.
80×0.7=56 80 \times 0.7 = 56

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