diff --git a/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity.go b/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity.go
index 2395656cc90..1927afb8acb 100644
--- a/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity.go
+++ b/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity.go
@@ -459,18 +459,7 @@ func (q *Quantity) AsApproximateFloat64() float64 {
 	if exponent == 0 {
 		return base
 	}
-
-	// multiply by the appropriate exponential scale
-	switch q.Format {
-	case DecimalExponent, DecimalSI:
-		return base * math.Pow10(exponent)
-	default:
-		// fast path for exponents that can fit in 64 bits
-		if exponent > 0 && exponent < 7 {
-			return base * float64(int64(1)<<(exponent*10))
-		}
-		return base * math.Pow(2, float64(exponent*10))
-	}
+	return base * math.Pow10(exponent)
 }
 
 // AsInt64 returns a representation of the current value as an int64 if a fast conversion
diff --git a/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity_test.go b/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity_test.go
index cb459b69d45..7e70d2466ad 100644
--- a/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity_test.go
+++ b/staging/src/k8s.io/apimachinery/pkg/api/resource/quantity_test.go
@@ -1207,11 +1207,11 @@ func TestQuantityAsApproximateFloat64(t *testing.T) {
 		{decQuantity(1024, 0, BinarySI), 1024},
 		{decQuantity(8*1024, 0, BinarySI), 8 * 1024},
 		{decQuantity(7*1024*1024, 0, BinarySI), 7 * 1024 * 1024},
-		{decQuantity(7*1024*1024, 1, BinarySI), (7 * 1024 * 1024) * 1024},
-		{decQuantity(7*1024*1024, 4, BinarySI), (7 * 1024 * 1024) * (1024 * 1024 * 1024 * 1024)},
-		{decQuantity(7*1024*1024, 8, BinarySI), (7 * 1024 * 1024) * (1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)},
-		{decQuantity(7*1024*1024, -1, BinarySI), (7 * 1024 * 1024) / float64(1024)},
-		{decQuantity(7*1024*1024, -8, BinarySI), (7 * 1024 * 1024) / float64(1024*1024*1024*1024*1024*1024*1024*1024)},
+		{decQuantity(7*1024*1024, 1, BinarySI), (7 * 1024 * 1024) * 10},
+		{decQuantity(7*1024*1024, 4, BinarySI), (7 * 1024 * 1024) * 10000},
+		{decQuantity(7*1024*1024, 8, BinarySI), (7 * 1024 * 1024) * 100000000},
+		{decQuantity(7*1024*1024, -1, BinarySI), (7 * 1024 * 1024) * math.Pow10(-1)}, // '* Pow10' and '/ float(10)' do not round the same way
+		{decQuantity(7*1024*1024, -8, BinarySI), (7 * 1024 * 1024) / float64(100000000)},
 
 		{decQuantity(1024, 0, DecimalSI), 1024},
 		{decQuantity(8*1024, 0, DecimalSI), 8 * 1024},